If each of the body (somatic) cells of a male animal contains 12 pairs of chromosomes (for a total of 24 chromosomes), how many chromosomes do each of its sperm cells contain?

Which of the following organisms has the highest reproductive potential? A) dogs. B) bacteria. C) elephants. D) humans.

What sense do animals use to migrate?

A disease of the skin in which the blood vessels of the face are dilated, the skin is very reddened, and the nose can become enlarged is called:

Mitosis produces two identical daughter cells. There are some cells that are not specialized and can produced several different types of cells. These cells are called

When molecules move through channels and pumps, they usually: contact the tails of the phosholipids contact amino-acids on the interior of the transmembrane protein contact only the heads of the phospholipids do not contact any amino-acids?

After teaching a class about the endocrine system, the instructor determines that the students need additional instruction when they identify which of the following as an endocrine gland? A) Pancreas B) Adrenal gland C) Testes D) Kidneys

Which is the healthiest a. saturated fat b. monounsaturated fats c. polyunsaturated fats

What is the function of mitosis in an organism like a human?

What is the general organization of the nervous system

What would happen if a living thing is removed from a habitat