Populations and the Environment Answers

This picnic table was made from fallen trees in a local forest. Is this picnic table a biotic or an abiotic factor? Explain your answer.

Put the levels of organization of an ecosystem in order from smallest (1) to largest (4).

1 2 3✔ 4

✔ 1 2 34

1✔ 2 3 4

Use the image and the drop-down menus to match the parts of an ecosystem to each description.

✔ community ecosystem organism population

community ecosystem✔ organism population

community✔ ecosystem organism population

What did you include in your response? Check all that apply.

Which image represents a population?

The leaves of plants contain specialized parts that absorb energy from sunlight. Which feature would help a plant better compete for sunlight?

Although they are different species, woodpeckers and squirrels both live in holes in trees. What resource are these species competing for?

Which factors in this image are biotic? Check all that apply.

Use the image and the drop-down menus to match the parts of an ecosystem to each description.