C) only I, II, and IV Is fungi a multicellular or unicellular organism? Plant-like photosynthesis that releases O_2 occurs in: A) actinomycetes. 20) Use the following figure to answer the question. If a field contains approximately 1,000 kilocalories of energy in grass, which is eaten by crickets, which are eaten by birds, then approximately how many kilocalories of energy could be in the birds that live in this field? Nitrogen is the limiting nutrient when considering global primary production. Animals b. View the full answer. Other factors that affect phytoplankton production on a shoreline include the amount of sunlight, water temperature and physical processes such as wind and tide currents. D) increases in irrigated agriculture, (C) increased processing of salt water to freshwater, Consider the global nitrogen cycle depicted in the accompanying figure. 49. 44) Use the following figure to answer the question. These plants provide food for insects, fish and amphibians. Producers are the foundation of every food web in every ecosystemthey occupy what is called the first tropic level of the food web. Organisms at the top of the chain eventually die and are then consumed by decomposers, which fix the nitrogen levels and provide the organic material necessary for the next generation of primary producers. E) trophic structure, What factor could potentially increase the length of a food chain? All rights reserved. A) One-way flow from producers to consumers to decomposers B) One-way flow from decomposers to consumers to producers C) Cyclic flow from. In turn, zooplankton, which include copepods, jellyfish and fish at the larval stage, provide food for filter-feeding organisms such as bivalves and sponges as well as amphipods, other fish larvae and small fish. A) typically 10 times lower in a clear-cut watershed . 42) Use the following figure to answer the question. James Kleimann is an award-winning - and losing! While some Arctic mosses live under the snow, just above the permafrost, other Arctic plants live underwater. copyright 2003-2023 Homework.Study.com. A) I (C) Longer chains are less stable and energy transfer between trophic levels is inefficient. irrigation agriculture a. multicellular b. photosynthetic c. eukaryotic d. parasitic e. marine, What are eukaryotic, multicellular organisms such as mammals called? C) C b. Mutation of an unrelated gene in another species of fly has a similar effect to mutation of $bicoid$ in $Drosophila$.\ To which group of the periodic table does oxygen belong? Which of the following locations is the main reservoir for nitrogen in the nitrogen cycle? $\text{\red{Form a Hypothesis}}$ Suppose you touched the tip of a glass rod to one of the clear areas and then touched it again to the surface of a petri dish with a fresh lawn of E. coli. 14) Use the following figure to answer the question. I. industrially produced fertilizers D) 3C Chemosynthesis is one alternative to photosynthesis that primary producers have. e. Predators, How would the following organism be classified? Primary producers are those organisms that can synthesize their own food using carbon dioxide and water in the presence of sunlight ( photosynthesis). Producers provide food to consumers because ___. B) Canada . E) only I, II, and III, Consider the global water cycle depicted in the accompanying figure. E) nitrogen-fixing bacteria. B) rivers and lakes b. Decomposers of dead leaves and dead animals. The primary reason for this pattern is that ________. 7) Use the following figure to answer the question. D) only II and III B) only II and IV Which of the following is not a domain on Earth? An arid desert ecosystem does not have a consistent water supply, so its primary producers, such as algae and lichen, spend some periods of time in an inactive state. Which of the following provides the strongest evidence for the conservation of tool-kit genes? Which of the following kingdoms contain members that are autotrophs? What could you do to eliminate error in your study as a result of this event? A. Spider B. Earthworm C. Oak tree D. Human E. None of these. Animals b. E) Energy transfer between trophic levels is usually less than 20 percent efficient. zooxanthellae 900 seconds. A) only I and III Transcribed image text: 1st attempt Which of the following represent prokaryotic primary producers? A) bacteria. 45) Use the following figure to answer the question. Each new product is produced from different wood slabs. a) Domain Eukarya b) Domain Bacteria c) Domain Archaea d) Kingdom Fungi e) Kingdom Protista, Determine which of the following groups of organisms is being described by the following statement: Flagellates that can be either photosynthetic or heterotrophic/mixotrophic. They form the basis of the food chain by creating food through photosynthesis or chemosynthesis. 29) Which of the following ecosystems would likely have the largest net primary productivity per hectare and why? potassium. B) Populations of top-level predators are generally smaller than populations of primary consumers. 60) Acid precipitation lowered the pH of soil in a terrestrial ecosystem that supported a diverse community of plants and animals. C) Japan E) E, The feeding relationships among the species in a community determine the community's ________. Since they are not mobile, they live and grow where there are nutrients to sustain them. Net primary production 2. A.) C) only III Which of the following is most correct regarding non-limiting and limiting nutrients? D) Zygomycota. Which of the following is primarily responsible for limiting the number of trophic levels in most ecosystems? A) I The accompanying figure represents net primary productivity organized by ________. c. Autotrophic. Regardless of its source, this energy is used to synthesize complex organic molecules from simpler inorganic compounds such . Labeling a carnivore as a heterotroph would be correct. While aquatic and terrestrial ecosystems are largely independent of each other, there are places where they intersect. A) Primary producers occupy the trophic level that directly feeds all autotrophs.B) Heterotrophs are able to thrive in an ecosystem without primary producers. Plants are called primary producers because they produce the material and store the energy at the bottom of the food chain. Which of the following is most correct regarding primary producers? (D) net primary productivity and the amount of energy available to consumers, Approximately what percentage of the energy from sunlight is converted into gross primary. I. increases in human population Since they are small in size and can be susceptible to changing environmental conditions, ecosystems with more diverse populations of primary producers tend to thrive more than those with homogeneous populations. Plantae B.) Animalia 2. Aquatic primary producers include plants, algae and bacteria. sediments and sedimentary rocks tertiary consumers are endotherms primary producers are E) plants. a. Stramenopila b. Proteobacteria c. Unikonta d. Cyanobacteria e. Spiroch. 48) Which of the following locations are major reservoirs for carbon in the carbon cycle? B) Passing examination with 75% or higher score. 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. C) 4C Nutrients are attached to small particles of sand or clay that leave the watershed. 40) Consider the food chain of grass grasshopper mouse snake hawk. Primary producers support the primary consumers in an ecosystem. D) unicellular. (c) Fungi. 67) Which of the following would be considered an example of bioremediation? Energy transfer between trophic levels tends to be of very low efficiency. D) glaciers What is the likely cause of this in freshwater ecosystems? Eukaryotic, multicellular organisms such as mushrooms a. Animalia b. Bacteria c. Viruses d. Protista e. Fungi f. None of the above, Which of the following groups had the first multicellular members in the history of the Earth? E) soil, A 3-hectare lake in the American Midwest suddenly has succumbed to an algal bloom. B) geography 1) If the sun were to suddenly stop providing energy to Earth, most ecosystems would eventually vanish. The statement 'around 10% of the energy is transferred to support the next trophic level' best explains why there are fewer secondary consumers than producers.. A trophic level can be defined as the position that occupies given groups of organisms in a food web. Producer Definition. A) A A. mosses and liverworts. C) Longer chains are less stable and energy transfer between trophic levels is inefficient. mainly primary consumers are herbivores. A) pesticide use Primary producers are vital to the survival of an ecosystem. plants can easily make food from soil and water. emissions? All of the following are ways fungi are similar to animals except A) fungi store extra food in the form of glycogen. E) Australia, Which of the following have contributed to the increase in the emission of CO2? (A) Top-level predators are destined to have small populations that are sparsely distributed. Why does a vegetarian leave a smaller ecological footprint than a person who eats meat? Amount of energy available to primary consumers Which of the following organisms are herbivores? They occupy the first trophic level in a food chain ( where transfer of energy takes place between different organisms) within an ecosystem. Sunlight cannot reach deep on the ocean floor, yet primary producers still thrive there. Found on soil and stones as well as some ferns and other plants, these poikilohydric plants are able to transition between active and resting phases depending on whether they are wet or dry. Which one of the following actions would increase the net primary productivity of the area the most? D) the changes in ocean temperatures as a result of increased global carbon emissions a. Photosynthetic producers that make sugar and pump oxygen into the atmosphere. d. Sheep can be cloned by fusing a differentiated adult cell with an enucleated egg. Decomposer. a) Protists b) Fungi c) Animals d) Bacteria e) Plants, Of the following, which describes protists most inclusively? In ecosystems, why is the term cycling used to describe the transfer of chemical elements, whereas the term flow is used for energy exchange? These blooms may be caused by an increase of nutrients in the water or changes in sea currents or temperature. C) typically 10 times higher in an uncut watershed The three plaintiffs claim Baldwin ignored warning signs which led to the death of cinematographer Halyna Hutchins. B) only II and IV 22) You own 300 acres of patchy temperate forest mixed with grassy meadows. also eat any number of primary consumers or producers. However, it is impossible to tell the safety of an algal bloom from looking at it. a. Eukaryote b. Prokaryote c. Fungal d. Plantae, Which of the following is an example of a group of prokaryotic organisms? C) The biomass of producers in an ecosystem is generally higher than the biomass of primary consumers. C) decrease in the amount of energy in a trophic level that is lost as it passes to the next higher level IV. a. Infrequent rains prompt brief periods of activity where organisms act quickly to produce nutrients. A normal woman, whose father was colour-blind is married to a normal man. How does this occur? But an unlikely contributor makes their survival and, therefore, the entire rest of the food web's survival possible. They also occur in brackish waters. Primary producers are those which can produce their own food. Animals like shrimp and crabs can break the materials down to detritus. Important biogeochemical cycles in ecosystems include all of the following except the ________ cycle. 61) Which of the following organisms is incorrectly paired with its trophic level? increases in per capita fossil-fuel use are referred to as primary producers. |K |$E\degree_{cell}$|$\Delta G\degree$| D) only II, III, and IV 37) Which of the following is primarily responsible for limiting the number of trophic levels in most ecosystems? Final answer: Decomposers are the largest population in a food chain. C) atmosphere (C) Completely decayed soil organic matter is called humus. atmosphere They live in both aquatic and terrestrial ecosystems and produce carbohydrates necessary for those higher up in the food chain to survive. I believe the correct options to be E) Li . Protista C.) Monera D.) Prokaryotae. Which of the following single-celled organisms is an example of a prokaryote? a. bacteria b. archaea c. protists d. fungi e. plants f. animals. Heat is emitted as infrared radiation, and some of it is retained in the atmosphere, decreasing A) nitrogen in the atmosphere Q. A) the ratio of net secondary production to assimilation of primary production answer choices. A) Many primary and higher-order consumers are opportunistic feeders. 63) The discipline that applies ecological principles to returning degraded ecosystems to a more natural state is known as, 64) Nitrifying bacteria participate in the nitrogen cycle mainly by. C) I, II, and III Q. C) secondary productivity C) Seal meat probably contains the lowest concentrations of fat-soluble toxins. III. A) only I and III Plant roots that held soil particles in place are no longer there. Question: It takes a great mass of primary producers to support a healthy ecosystem that includes tertiary consumers. Energy flows through the trophic levels of a food web. many animals prefer eating plants to eating meat. It also provide almost all earth's oxygen and supply food for marine ecosystems. The first trophic level of an ecosystem consists of. D) fungi exhibit absorptive nutrition. Biology questions and answers. Which of the following is an example of a group of prokaryotic organisms? Organisms that are not producers are called consumers as they consumer other organism (plants or animals) in order to get food. The total biomass of an ecosystem would be most increased by which of the following? Give an ex label each plant/animal with one of the following labels: primary producer, primary consumer, secondary consumer or tertiary consumer. Chapter 53 STUDY PLAY. A) China Protists are all alike in that all are: A) autotrophic. Varying conditions mean that organisms can only thrive in certain seasons and many, including primary producers, exist in a dormant stage for part of the year. The primary sources of greenhouse gas emissions in the United States are: Transportation (27% of 2020 greenhouse gas emissions) - The transportation sector generates the largest share of greenhouse gas emissions. Organism Status 1. B) open ocean B) eukaryotic. Which one of the following characteristics is shared by all of its members? III. High-energy solar radiation enters the atmosphere. A) tropical wet forest plus the ocean neritic zone Energy is neither created nor destroyed; therefore, it is fully transferred to each trophic level. E) only I and II, Nitrogen is available to plants mostly in the form of ________. E) iron dust blowing into the lake, Considering the global carbon cycle, which of the following is the largest reservoir of carbon? C. Most diverse kingdom. (a) Amoebae (b) Kinetoplastid (c) Oomycete (d) Ciliates (e) Diatom. (A) Toxic chemicals in the environment pose greater risk to top-level predators than to primary consumers. Primary producers and herbivores are the only two types of producers. b. producers. (a) Archaea (b) Plantae (c) Fungi (d) Protista (e) Animalia. The primary producers include plants, lichens, moss, bacteria and algae. 51) Use the following figure to answer the question. producers and decomposers. A. multicellular eukaryotes B. protozoans C. eukaryotes that are not plants, fungi, or animals D. single-celled organisms closely related to bacteria E. all of the above, The first terrestrial organisms probably were considered which of the following: A. burrowers B. photosynthetic C. multicellular D. prokaryotes E. eukaryotes F. plants and their associated fungi. \\ c. Protista. Unicellular autotrophs may be found in the kingdom _______. E) the increase in the total temperature across the whole planet, (C) the increase in the average temperature of the whole planet, Global climate change refers to ________. Our experts can answer your tough homework and study questions. D) nitrogen fixation by bacteria, Consider the global nitrogen cycle depicted in the accompanying figure. b secondary consumers. 35) Why does a vegetarian leave a smaller ecological footprint than an omnivore? Short Answer. B. green algae and horsetails. B) 1C 49) Which of the following statements is correct about biogeochemical cycling? E) Food-chain length is ultimately determined by the photosynthetic efficiency of producers. B) Soil organic matter is completely decayed. with dramatic reduction of greenhouse gases? Primary producers are consumed by primary consumers (generally herbivores), which are then consumed by secondary consumers and so on. Fungi and Plantae c. Fungi and Metazoa, Bacteria, mushrooms, and other fungi are examples of? A) recycle chemical elements directly back to primary consumers D) plant and animal biomass ATLANTA (WANF) - A Georgia mother is warning other parents after her 10-year-old daughter's school bus driver allegedly entered the family's home without permission. A) I only The place an organism attains in a food web is called its trophic level. Which of the following is most correct regarding primary producers? A) protista B) plants C) fungi D) archaea E) bacteria. Answer: Option 3) primary producer. ____ 31. The second trophic level consists of primary consumers the herbivores, or animals that eat plants. 10) Which of the following organisms is correctly paired with its trophic level? All fungi ______. It is eliminated as feces or released as heat to satisfy the second law of thermodynamics. Terms in this set (78) The process by which energy derived from solar radiation is used by certain organisms to form organic matter is called: photosynthesis. Answer: Primary consumers. Get access to this video and our entire Q&A library, What is a Decomposer? 1. A. Archaea B. Eukarya C. Fungi D. Protists, The last common ancestor of all animals was probably a/n _____________________. Fungi 6. (b) Plants. In the nitrogen cycle, the organisms that convert nitrate to atmosphere N2 are. Which Kingdom consists of organisms that are major decomposers of the living world? C) reduction of nitrogen available to terrestrial ecosystems 33) Use the following figure to answer the question. a primary consumers. B. primary producers. Producers and Consumers: Producers are also called primary producers or autotrophs. This phytoplankton blooms under the ice, and as the ice level thins and reaches its yearly minimum, the ice algae production slows. Finally, answer the five questions following the food web diagram. Net primary productivity is the rate of carbon dioxide fixation by photosynthetic activity minus the fraction of carbon used for the maintenance and cellular respiration by the autotrophic planktonic microbes and the benthic plants. All the organisms above are producers except for fungi. It may produce toxins that can poison any living thing that comes in contact with it, or it may contaminate aquatic life and cause illness when a person or animal eats the infected organism. Q. Along with decomposers, they make up the base of a food web and together their populations number more than any other part of the web. B) It is used by organisms to maintain their life processes through the reactions of cellular respiration. Study with Quizlet and memorize flashcards containing terms like When primary producers expend energy to build new tissue, this is ________. Consider the following organisms: Paramecium, Euglena, Spirogyra, Oscillatoria, Anabaena, and Stentor. Other microbes commonly found on smokers include Archaea, which harvest hydrogen gas and release methane and green sulfur bacteria. C) fungi are heterotrophic. (D) The answer is most likely a combination of the other responses. B) synthesize organic molecules that are used by primary producers Which below is NOT a way mciosis increases genetic diversity? Therefore, they for the base of any food chain. In a food web nutrients are recycled in the end by decomposers. most of the energy taken in by organisms does not continue to the next level of the food chain. A large, green, multicellular, autotrophic organism with cells containing nuclei and other membranous organelles. C) Japan (B) About 90% of the energy is lost between most trophic levels. While primary consumers are always herbivores; organisms that only feed on autotrophic plants, secondary consumers can be carnivores or omnivores. After a rain, algae and lichens become photosynthetically active and (due to their ability to reproduce rapidly) provide a food source for higher-level organisms before the desert heat causes the water to evaporate. The none of the above is what this is. A) 7C B) archaea. Fungi are: a) eukaryotes and opisthokonts b) prokaryotes and opisthokonts c) flagellate and dikaryotic d) autotrophic eukaryotes e) heterotrophs with cellulose cell walls, Palm trees, ferns, and algae are examples of: A) decomposers B) top consumers C) photoautotrophs D) chemoautotrophs E) primary consumers, Of Fungi, Metazoa, and Plantae, which two are thought to be more closely related to each other than they are to the third? Phytoplankton become important producers in the sea because can transform inorganic carbon in the atmosphere into organic compounds. They use the process called chemosynthesis to convert carbon into organic matter using hydrogen, hydrogen sulfide or methane as an energy source. To what kingdom would a single-celled, nucleated, photosynthetic organism belong? answer choices. Our goal is to make science relevant and fun for everyone. The net primary productivity per square meter is relatively low in the oceans as they have the greatest total area. All members of the kingdom ________ are heterotrophic. Which one of the following actions would increase the net primary productivity of the area the most? Choose ONE of the following prompts :Prompt 1: Using at least 5 sentences, explain the difference between primary and secondary succession. II. Algal blooms can occur in almost any body of water. B) only II and IV D) There are only so many organisms that are adapted to feed on other types of organisms. If a fox eats a rodent that ate a smaller insect that ate a plant, the fox is a(n). Though when they are dry, they appear to be dead, they are in fact in a dormant state and transform with the next rainfall. A herbivore is this. Transcribed image text: 57. a. Similarly to the ocean floor, sunlight does not reach deep into caves. C) algal beds and reefs plus the ocean neritic zone Fungi c. Plantae d. a or b e. a or c, Which type of organism does not photosynthesize? In some cases these nutrients are then stored and only released slowly in anticipation of the next rain event. a. unicellular worm b. multicellular algae c. flagellated protist d. multicellular fungus. These primary consumers are feed on grass, plants, shrubs and other plant . producers. Advertisement Advertisement aless82 aless82 Respond to the following statements Respond to the following statements with reference to the five trophic categories listed below. The melting of sea ice in the spring along with the increased availability of sunlight triggers algae production in the Arctic region. The euphotic zone in the open ocean extends from the . For example, up to 100,000 pounds of phytoplankton may be necessary to feed the equivalent of only one pound of a predator species at the top end of the chain. Although few species of phytoplankton produce these toxins, even beneficial phytoplankton can be damaging. B) The Euglenoz, Which domain do both plants and animals belong to? A) industrial nitrogen fixation extinctions a. plants b. animals c. All of the Above d. protist. What is the approximate production efficiency of this animal? c. A mouse $Hox$ gene can be used to take over the function of a mutated $Drosophila$ $Hox$ gene.\ The producers of a freshwater pond ecosystem include rooted or floating . a. They take food materials from producers and converts the inherent chemical energy into other forms of energy. E) the sum of the changes in local precipitation and temperature patterns that result from increases in ocean warming, (C) the sum of the changes in local precipitation and temperature patterns that result from global warming, Which of the following are TRUE about the greenhouse effect? All of the organisms living in your aquarium and the abiotic factors with which they interact. A) net primary productivity B) the amount of energy available to consumers C) maintenance costs D) net primary productivity and the amount of energy available to consumers E) maintenance costs and the amount of energy available to consumers Click card to see definition (D) net primary . The primary reason for this pattern is that. Areas with higher nitrate concentrations demonstrate higher productivity. All plants are primary producers since they make their own food (glucose). (d) Bacteria. By using fossil fuels we are destroying a nonrenewable resource. Primary Purpose: Lead the producer and senior leader recruiting strategy in an ongoing effort to discover and acquire top-tier talent. How does phosphorus normally enter ecosystems? As with all ecosystems, each element of a freshwater pond ecosystem is dependent on the other elements and organisms for survival. D) only II, III, and IV C) I, II, and III D) Germany Those that are not consumed right away eventually die and drift to the lower levels as detritus where they may be consumed by deep-sea organisms that filter their food, such as coral. B) B This fact is partially true considering their photosynthetic nature and low trophic level. Protista 5. Interpreting Diagrams Which diagrams represent a single element? II. D) Obtaining a bachelor's degree. IV. The answer is Primary consumers and producers. Three former Rust crew members have filed a new lawsuit against Alec Baldwin and the film's producers, claiming they failed to follow safety rules. Next rank the relative concentration of DDE in each plant/animal using the following scale: 1 = lowest concentration - 10 = highest concentration. Bacteria 3. a. Heterotrophs b. a. are multicelled b. form flagellated spores c. are heterotrophs d. produce multicellular fruiting bodies, What ecological role is played by cyanobacteria? He currently serves as the managing editor of HousingWire, the leading publication of housing and real estate news in . The four levels in this food chain are primary consumers, secondary consumers, tertiary consumers, and finally decomposers or phytoremediators. B) I and II chemosynthetic bacteria. Red-tailed Hawks prey on mice and prairie kingsnakes . What would happen to the new lawn of bacteria after several days? Which of the following locations is the largest reservoir for carbon in the carbon cycle? If the most advanced organisms are multicellular, what would be the adv. The genes shows independent assortment. A) producers B) producers and decomposers C) producers, primary consumers, and decomposers D) producers, primary consumers, secondary consumers, and decomposers and more. What is the estimated age of this sample? Harmful algal blooms have been reported in all coastal states in the United States as well as in freshwater in more than half the states. Which of the following factors account for the inefficiency of the rate of photosynthesis? Which kingdom of eukarya consists primarily of unicellular organisms? E) I, II, and III, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, David N. Shier, Jackie L. Butler, Ricki Lewis. Primary producers are the foundation of an ecosystem. Study with Quizlet and memorize flashcards containing terms like 1) If the sun were to suddenly stop providing energy to Earth, most ecosystems would eventually vanish. Which of the following is a consequence of biological magnification? Most diverse kingdom a. Animalia b. Bacteria c. Viruses d. Protista e. Fungi f. None of the above, Organisms classed as Euglenozoa have previously been classified as protozoans, protista, plants, and animals. D) The answer is most likely a combination of the other responses. All of the following are organisms within the domain eukarya with one exception.Select the exception. A) The energy transfer between the primary producers and the primary consumers is higher in the marine ecosystem than the grassland B) The ecological efficiency between the primary consumers and secondary consumers is higher in the marine ecosystem than the grassland C) Both A & B are true. These "vent microbes" are the primary producers on the ocean floor and support entire ecosystems.
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