Forest logging removes trees leaving behind only smaller bushes. Some rats in a depleted forest have an allele that makes them smaller than normal rats, it is easier for the small rats to hide from predators in the bushes. How will the allele frequency change in the rat population

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

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.

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water