Question

help check my answers!!

Answer 1

1. What percent of energy is transferred between the levels indicated by the blue arrows?
> 50 percent
90 percent
100 percent
10 percent

2. What list describes the diet of an omnivore?
Mice and rabbits
Rabbits and insects
Fish and insects
>Fish and berries

3. What trophic level do herbivores occupy in a food chain?
>Primary consumer
Producer
Secondary consumer
Decomposer

4. How do chemoautotrophs make energy?
They covert carbon dioxide, water, and sunlight into carbohydrates.
They convert carbon dioxide, water, and organic molecules to carbohydrates.
They convert carbon dioxide, sunlight, and organic molecules to carbohydrates.
>They convert carbon dioxide, water, and inorganic compounds into carbohydrates.

5. What would happen in an ecosystem without decomposers?
>Plant growth would decrease.
Producers would increase.
Plant growth would increase.
Consumers would increase.

6. What food chain is represented in the above food web?
plants > grasshopper > deer > wolf
>tree > insect > frog > snake > hawk
tree > deer > bear > wolf
plants > deer > fish > bear

7. Which statement describes the role of the organism indicated by the blue arrow in the food web?
>Producers bring energy into the ecosystem by making organic molecules from sunlight or chemical compounds.
Producers bring new energy into an ecosystem by breaking down inorganic materials and making new ones.
Consumers feed other larger producers by breaking down organic molecules.
Consumers recycle organic molecules like glucose for other species to use as food.

8. Which statement describes the relationship between the deer and plants on the food web?
>Autotrophs supply food for the heterotrophs.
Autotrophs and heterotrophs compete for the same food source.
Heterotrophs supply food for the autotrophs.
Autotrophs and heterotrophs share the same food source.

Answer 2

question 1

Answer 3

question6

Answer 4

question 7

Answer 5

question 8

Answer 6

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