Campbell Biology: Concepts & Connections, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (8th Edition)
8th Edition
ISBN: 9780133909029
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Textbook Question
Chapter 37, Problem 3TYK
Which of the following groups is (are) absolutely essential to the functioning of an ecosystem?
a. producers
b. producers and herbivores
c. producers, herbivores, and carnivores
d. producers and decomposers
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Students have asked these similar questions
A more complete way of looking at the interaction between different species and energy transfer is
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B. menus
C. food web
D. food chain
Gross primary productivity refers to the total
a. energy used by the heterotrophs of the ecosystem in a given period of time
b. energy captured initially by the producers
c. quantity of solar energy reaching a given area of the ecosystem
d. quantity of solar energy available to the ecosystem in a given period of time
e. energy used by the producers for their growth and reproduction
The total amount of living tissue within a given trophic level is called the:
O A. Biomass
O B. Energy mass
C. Organic mass
O D. Trophic mass
Chapter 37 Solutions
Campbell Biology: Concepts & Connections, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (8th Edition)
Ch. 37 - Fill in the blanks in the table below summarizing...Ch. 37 - Fill in the blanks in the table below summarizing...Ch. 37 - Which of the following groups is (are) absolutely...Ch. 37 - Prob. 4TYKCh. 37 - Prob. 5TYKCh. 37 - Prob. 6TYKCh. 37 - The open ocean and tropical rain forests...Ch. 37 - Prob. 8TYKCh. 37 - Prob. 9TYKCh. 37 - Prob. 10TYK
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- Which of the following statements BEST describes energy transfer in an ecosystem? A. If the primary producer has 175,000 kcal available, the secondary consumer will receive 17,500 kcal from the primary consumer. B. If the primary consumer has 175,000 kcal available, the secondary consumer will receive 17,500 kcal from the primary consumer. C. If the primary consumer has 175,000 kcal available, the tertiary consumer will receive 175 kcal from the secondary consumer. D. If the primary producer has 175,000 kcal available, the tertiary consumer will receive 17,500 kcal from the secondary consumer.arrow_forwardAbiotic factors are important to biotic organisms because they include A.Weather and rocks B. Resources and conditions C. Single-celled organisms D. Plants and bacteriaarrow_forwardIn the English Channel ecosystem, the number of primary producers is smaller than the number of primary consumers because________. a. the apex consumers have a low turnover rate b. the primary producers have a low turnover rate c. the primary producers have a high turnover rate d. the primary consumers have a high turnover ratearrow_forward
- Which trophic level(s) must be present to sustain any ecosystem?a. producers onlyb. producers and consumersc. producers, detritivores, and decomposersd. producers, consumers, detritivores, and decomposersarrow_forwardAnswer the questions below based on the Active Reading above: 1. Organisms need to live and to survive. 2. What do limiting factors do? a. Separate biotic factors from abiotic factors. b. Determine which is the predator and which is the prey. €. Regulate how many organisms live in an ecosystem. d. Determine which natural disasters will hit an area. 3. Which of the following are abiotic limiting factors? a. The decomposers in an ecosystem. b. The populations of producers in a given habitat. c. Carrying capacities of several species. d. Water, space, and oxygen. 4. Which of the following is a biotic limiting factor? a. The amount of breathable oxygen available to a population. b. Food available for organisms lw ast C. The nitrogen to oxygen ratio in the air supply. d. The number of bodies of water in a habitat. 5. In biology, what is carrying-capacity? a. The maximum population size an ecosystem can support. b. A total list of the limiting factors. C. How much weight an organism can…arrow_forwardThe total amount of energy taken up by producers through photosynthesis in an ecosystem is known as...? Group of answer choices a. evaporation b. net primary production c. standing crop d. nutrient limitation e. gross primary productionarrow_forward
- The diagram below represents recycling of nutrients in a certain ecosystem. Sunlight. I Secondary Consumer Producer. Q. Dead organism III. II Mineral salts and hunts a.Name the trophic level represented by Q b.Name the process represented by: I II III c.Name the organism involved in process II d.What would happen within the ecosystem if all the secondary consumer were eliminated?arrow_forwardThe study of nutrient cycling though the environment is an example of which of the following? a. organismal ecology b. population ecology c. community ecology d. ecosystem ecologyarrow_forwardWhich trophic level is vital to the continuation of the carbon cycle? Group of answer choices a. tertiary consumer b. secondary consumer c. producer d. primary consumerarrow_forward
- The producer in an ocean grazing food web is usually a _____. a. plant b. animal c. fungi d. planktonarrow_forward1. Define biotic and abiotic factors of the environment. Give an example of each. 2. How do ecologists define the term ecosystem? 3. State the competitive exclusion principle. 4. Identify three different types of consumers. Name an example of each type. 5. Describe the role of decomposers in food webs. 6. What is a biogeochemical cycle? Name an example.arrow_forwardNetprimary productivity is the primary productivity of an ecosystem, aftersubtracting energy lost in:a.dead plant tissues.b.inedible plant tissues.c.respiration by primary producers.d.respiration by primary consumers.e.inefficiencies of photosynthesis.arrow_forward
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