Populations and the Environment Answers

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

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

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?

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