Why is an organism’s niche like a person’s occupation?
a) an organism makes “money” by working in its niche.
b) a niche is a “company” that the organism has to work in.
c) a niche is a “factory” where organisms build things.
d) an organism can “make a living” and survive in its niche.

How does the study of genetic disorders such as pku biologists understand normal alleles?

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because