Which statement is a hypothesis that might be tested by observing a desert animal's behavior for 24 hours?
A. A rattlesnake can warm its body by shivering.
OB. A hummingbird will live longer if it decides to sleep in a burrow.
O O O
C. A kangaroo rat's body temperature can vary with the time of day.
D. A fish will eat more food at night, when the temperature is lower.

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.