What biome is characterized by its layer of permafrost?

A.) ponds and lakes

B.) cold desert

C.) arctic tundra

D.) boreal forest

Escherichia coli is the scientific name of a bacterium. what category of classification is escherichia?

Which of Athena's traits is responsible for her status as the patron goddess of Athens? A. she was a goddess of war. B. she was a goddess of wisdom. C. she was the protector of the city of Athens. D. she was the leader of the gods.

Why are muscle cells also called muscle fibers?

What is microbes and list three types of microbes

Which blood vessel transports oxygenated blood from the lungs to the left atrium?

What do amoeba proteus, dinoflagellate, and euglena viridis have in common? a. they all can move and make their own food b. they all can move and use eye spot to locate food c. they all can move and be heterotrophic d.

How is a scientific hypothesis best evaluated?

The overall population of a species decreased. What could have occurred to make this happen? The immigration rate increased, while the death rate decreased. The birth rate decreased, while the death rate increased.

Which of the following terrestrial biomes cannot be found in the United States? A: temperature deciduous forest B: tundra C: desert D: grassland/prairie

Which of these food sources does the bald eagle not feed on? plants fish carrion mammals