What are the tiny air sacks in the lungs called?

What causes a dead zone? You are assisting a friend studying the biodiversity of a local lake. After surveying the lake, your friend looks concerned and says, "there has been a dramatic decline in biodiversity since I last sampled a few months ago".

If you have type A blood, what are your possible genotypes

Where is skeletal muscle found?

Describe three characteristics of living things and give an example of each characteristic.

why do you think that 100 sperm cells are released during ejaculation if only one sperm is needed to fertilize an egg?

Which best describes reproduction? A. Asexual reproduction produces offspring that are identical to the parent. B. Sexual reproduction allows for diploid gametes to combine to increase genetic variation. C.

Some types of brain injury can cause damage to the cerebellum. how would cerebellar damage affect the ability of the nervous system to receive and transmit information?

What is your definition of the word biochemistry?

Animals with bilateral symmetry___ A. Have a distinct head end B. Have no definite shape C. Can only move in one direction D. All live in the water

What process is used by bacteria to divide and reproduce