Help please and thank you :) .(Cycling of matter and energy flow quick check).
1. Which of the following describes the amount of organic material that is available for transfer to the next trophic level after subtracting material used for respiration?
-Gross Primary productivity
-Biomass
-Net Primary productivity
0r
-Primary productivity
2. Suppose a plant is eaten by a mouse, the mouse is consumed by a snake, and the snake is in turn consumed by a hawk. What could be assumed about the level of available organic matter in the mouse versus the plant?
-There will be less organic matter available.
-There will be more organic matter available.
-Organic matter does not transfer between the plant and the mouse.
0r
-They both have the same amount of organic matter.
3. How does biomass change from lower to higher trophic levels?
-It fluctuates.
-It increases.
-It decreases.
0r
-It stays the same.
4. The incomplete burning of in gasoline is known to create black carbon and contribute to global warming.
-ethanol
-methane
-carbon
0r
-carbon dioxide
5. Why are there less secondary consumers in an ecosystem than producers?
-Around 90% of energy from one trophic level to the next is available.
-There is less land to use for habitat after the producers grow.
-More tertiary consumers will eat secondary consumers over producers.
0r
-There isn’t enough energy available to support more secondary consumers.
...Thanks...
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Help please and thank you :) .(Cycling of matter and energy flow quick check).
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