On what basis have biologists determined that Archaea and Bacteria are not closely related?

a. They cannot interbreed.

b. They look very different.

c. Their DNA is very different.

d. They live in very different places.

A mother brings her child into the hospital emergency room repeatedly for various illnesses that include breathing problems, diarrhea, and seizures.

Which statement describes an effect of the gulf stream? A-it brings warm water to the Gulf of Mexico from the North Atlantic B-it carries cold water to both of earths poles C-it keeps icelands capital warmer than new york city in the winter D-it

6. Which of the following human relations skills is most clearly related to communication? A. Listening B. Responsibility C. Self-confidence D. Drive

Which of these is most likely true for two organisms, A and B, in competition? a. A feeds off B and B is harmed b. Both A and B feed off one another c. Both A and B are deprived of a resource d. A gains a resource and B is deprived of it

What environmental variables may influence regeneration

A plant TT for tall height is crossed with a plant tt for short height. The offspring have the genotype Tt. What is the phenotype of the plant?

What affects the size of a flood?

The nurse knows that for a client who still has her ovaries intact, estrogen must be paired with what other drug when used to treat menopausal symptoms

Joe loses 4 pounds of fluid by sweating during a vigorous basketball game. how many cups of fluid are needed to replenish this loss? 10 cups

An animal with long limbs, a long tail, and hand-like paws that can grab things would be best suited for which environment?