Which of the following are nonliving environmental factors? Mark all that apply.

A student predicts that squirrels prefer sunflower seeds to corncobs. To test her prediction, she puts sunflower seeds in one feeder and corncobs in another feeder. The student hangs the feeders in the same tree and observes the feeders for half an hour each afternoon. What is the most important observation this student needs to record to find out which food squirrels prefer? (Mark the best answer.)

Temperature is an example of___. (Mark the one best answer.)

Sanderlings are small shorebirds. They are found on sandy beaches, mudflats, lagoons, and rocky shores. A student decided to study the sanderlings and determine their preferred environment. He spent 15 minutes each day observing each environment and recorded his observations in his science notebook.

Using the data in the table which is the Sanderling's preferred environment?

Everything that surrounds and influences an organism is its ___.

Fish breathe with gills rather than lungs. Isopods breathe with gill-like structures. For this reason, isopods require ___.

(Mark the one best answer.)

Which structure labeled on the mealworm allows the mealworm to move from place to place? ( Mark the one best answer.)

A student asks the question "Do isopods prefer dark environments or light environments?" In order to test his question, Which setup below should the student use? ( Mark the one best answer.)

What happens if an organism moves outside of its preferred environment? (Mark the one best answer.)