Fishes were first abundant during the

A. Precambrian

B. Paleozic

C. Mesozoic

D. Cenozic

Which best describes a recessive allele?

Based on the data, which of the following is the most likely diagnosis? gigantism

Which Scientists' observations eventually led to the theory of continental drift

which brain structure functions to control the automatic nervous system and to regulate body temperature?

The largest sense organ of the body is what

Which of the following constitutes the primary structure of a protein? A. The folding of a polypeptide chain B. The linear sequence of amino acids in a polypeptide chair C. The polypeptide chains stacked on top of each other D. A pleated sheet E.

Most food chains have no more than six organisms. why is there a limit to the number of links in a food chain? a. animals at the end of the food chain would have too much food available. b.

What was the most significant conclusion that gregor mendel drew from his experiments with pea plants?

Choose the appropriate vocabulary term to complete each statement. In Mendel's crosses, the trait is visible in the F2 generation, but not the F1 generation.

If you wanted a horse to foal in January when would you breed