Which of the following is least likely to be a source of genetic variation among living organisms?

A.

sexual reproduction

B.

meiosis

C.

mutations

D.

asexual reproduction

What will happen to fish if the water get too hot or too cold?

How do abiotic and biotic factors work together to influence population size? Explain.

Explain how psychologists can assess the reinforcement of various forms of reinforcement and describe which form of reinforfement would persist the longest and why?

Use the options below to complete each sentence. a) predation b) cooperate c) competition 1) is an interaction in which one organism kills and eats another. 2) is an interaction in which two organisms require the same limited resources.

Determine who has made the correct statement. Sean said only biologists use the fossil record to determine the age of the earth. Cade said only geologists use the fossil record to determine the age of the earth A. Sean is correct. B. Cade is correct.

Why can't astronomers measure the parallax of a star that is a million light years away?

An advantage of using an electromagnet, instead of a regular magnet to move cars in a junk yard is then an electromagnet can easily be turned on and off. True or False.

All of the following are examples of limiting factors in an ecosystem except: A. Space B. Food C. Population density D. Water

Why is the inside of a frogs stomach folded?

Which formation stores groundwater? A. water table B. reservoir C. pond D. aquifer