Higher organisms use nitrogen to make their

a. nitrate
b. ammonia
c. plants
d. proteins
e. animals
f. denitrificating
g. waste

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

What part of the brain is highlighted in the diagram below?

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.