4. Which organisms in an ecological community can make their own organic food from inorganicsources (like carbon dioxide), generally by using sunlight?A. secondary consumersB. autotrophsC. primary consumersD. carnivoresE. decomposers

Nutrition is the mechanism present in all the organisms by which they are able to take up energy and…

Answered: 4. Which organisms in an ecological…

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter46: Ecosystems

Section: Chapter Questions

Problem 10RQ: The loss of an apex consumer would impact which trophic level of a food web? primary producers...

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Similar questions

The quantitative estimate of the total amount of living material is called (a) biomass (b) energy flow (c) gross primary productivity (d) plant respiration (e) net primary productivity
The major source of nutrients in the headwaters of a small stream is form: a. dead leaves and other organic matter from adjacent land. b. photosynthesis by phytoplankton. c. photosynthesis by floating aquatic plants. d. the activity of chemoautotrophic bacteria. e. minerals from the underlying bedrock.
1.Give similarities and differences between the following: a. ecologist vs. environmental scientist b. ecologist vs. environmentalist c. ecology vs environmentalism
What group of organisms make their own food? A. Autotrophs B. Producers C. Phototrophs D. All of the options are correct.
4) Many bacteria and fungi are important in the environment because they A) recycle nutrients, making them available for other organisms B) return energy to the environment, making it available for plants C) produce glucose through the process of respiration D) reverse the flow of energy in the ecosystem
1) A scientist finds that the gross primary productivity of the grasslands of the central United States is 55 g / m2 / year. If the respiration loss is 33 g / m2 / year, what is the net primary productivity? a) subtraction from gross productivity and respiration.b) The same as primary productivity.c) The value of respiration.d) The sum of gross primary productivity and respiration.
Energy from the sun is directly harnessed by _________ A.) producers B.)all organisms C.)consumers which can be _______ by other organisms. A.)consumed B.)decomposed C.)inherited
What is the main source of energy for producers? A.)Sunlight B.)Plants C.)Consumers D.)Organisms
1. The variation in environmental conditions that is beyond the range of tolerance may result in a. None of these b. Deterioration of ecosystem c. Both b and d d. Loss of species that are vital links in food webs 2. Transpiration is a process involved in a. carbon dioxide b. phosphorus c. nitrogen d. water
Plants use carbon dioxide from the air and are therefore called _____. a. consumers b. producers c. decomposer d. carbon fixers
1. List five general things we get from natural resources.
1) Identify the air pollutant you have chosen. a) What is the chemical composition of that pollutant? b) Is this air pollutant a primary or secondary pollutant? 2) Describe what is the primary source/cause of this air pollutant. Where does this air pollutant typically occur, i.e. does it occur in a specific geographic area or part of the atmosphere, or is it widespread? 3) Describe what effects do (or potentially do) this air pollutant have on the environment? Distinguish between a) physical effects on the environment/ecosystems and b) effects on living organisms. 4) Describe (be specific for each) what is being done to control this pollutant from the standpoint of a) laws/provisions of the Clean Air Act (or other laws) b) actual efforts to control its emissions.

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4. Which organisms in an ecological community can make their own organic food from inorganic sources (like carbon dioxide), generally by using sunlight? A. secondary consumers B. autotrophs C. primary consumers D. carnivores