A force that tends to pull together the matter in stars is

a. gravity

b. nuclear fusion

c. expansion

d. nuclear fission

What is the result of a cross between one parent that is blood type AB and another parent whose blood type is O?

In a food chain, assume clover mice hawks. What would happen to the mice population if clover became extinct? a. The mice population would stay the same. b. The mice population would increase. c. The mice population would decrease.

The health of a pigeon guillemot bird is similar to the overall health of he sea where they live True or false?

What substrate analogs could be used to sequence RNA using RNA polymerase?

How do herbivores get energy

A species displaying which of the survivorship curves is likely to produce the most offspring?

Which of the following statements is true? Parasites benefit their hosts. Parasitism causes both the parasite and host to adapt and evolve. All parasites stay with their host until the host dies.

What do gradualism and punctuated equilibrium have in common? A. They are both explanations of the rate of evolutionary change. B. They are both explanations that were put forth by Darwin. C. They both discredit the theory of evolution. D.

The human immunodeficiency viris (hiv) is a bloodborne pathogen that is spread by

A cell that is undergoing mitosis is examined with a light microscope. an observation that would allow for identification of the cell as an animal cell rather than a plant cell would be