If a gray cat and a white cat have kittens, what phenotypes could the kittens exhibit?

Earthworms, like the one seen here, live in soil. Bennie wondered how changes in the moisture content of the soil would affect the movement of worms. He wanted to design an experiment to test his idea.

An organic molecule will always contain? 1) carbon 2) carbon and hydrogen 3) hydrogen 4) O, H, and C

Which of the following pairs would increase the rate of evolution within a species? slow environmental change and high genetic variation rapid environmental change and large population size long generation times and low genetic variation short

If a person receives an iv of pure water, their blood cells will swell and burst. Which statement best describes the role of the cell membrane in this process

The earliest elephants evolved during the: Paleocene Eocene Oligocene Holocene

In the ocean, small remora fish are often found cleaning bacteria and other parasites from the mouths and gills of swordfish. Which of the following phrases best explains this interaction? A. animal affecting the life of an animal B.

Why do you think it is so difficult to control the spread of invasive species?

Suppose four different species live in close proximity to one another within an ecosystem. Species W reproduces through fragmentation. Species X reproduces sexually. Species Y reproduces through budding. Species Z reproduces through fission.

A carcinogenic mutation is not inheritable. What could be the reason for this? A. It occurs in germ cells and can be passed on to descendants during reproduction. B. The mutations could be treated by chemotherapy. C.

Explain why different surfaces have different albedos.