Select the correct answer from each drop-down menu. Choose the correct word or phrase to complete the sentences to explain the process of nitrogen fixation in the ocean. The group of microorganisms that play a significant role in nitrogen fixation in the oceans are . They fix into ammonium ions

Vegetation that grows along the floors of tropical and temperate forests is called undergrowth. how is the undergrowth of a tropical rain forest most likely to differ from the undergrowth of a temperate forest? a. a tropical rain forest's undergrowth most likely experiences periods of dormancy during colder weather. b. a tropical rain forest's undergrowth most likely experiences periods of dormancy during rainy weather. c. the undergrowth of a tropical rain forest most likely requires less sunlight. d. the undergrowth of a tropical rain forest most likely requires more sunlight.

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.