Human beings as we know them have existed for about __years.

A. 65 million

O

O

B. 10,000

O

C. 250 million

O

D. 200,000

Scientist classify animals and sort them into groups, vertebrate and invertebrate. How do scientists classify humans? A) Scientists classify humans as vascular and as mammals. B) Scientists classify humans as vertebrates and as mammals.

Should insurance companies have the right to learn yhe genetic profiles of the people they insure

Prenatal exposure to diethylstilbestrol (des) can result in which type of cancer?

What term is used to describe organisms composed of identical and unspecialized cells?

when you are forming memories the neurons and the connections between them strengthen. This is called:

Factors that can alter the level of expression of a gene include Check All That Apply an increase in l temperature. an increase in salinity. exposure to UV radiation. presence of particular energy substrate.

What did Virchow observe that led him to determine one of the main components of cell theory?

Discuss the social and biological construction of race in the United states.

From what material is the block made

When water freezes, how does the ice compare to the liquid water? The ice has a greater mass and a greater volume than the water. The ice has the same mass but greater volume than the water. The ice has less mass and less volume than the water.