Chapter 4.3

Question 1

process in which elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another

Answer 1

Biogeochemical Cycle

Question 2

chemical substance that an organism needs to sustain life

Answer 2

Nutrient

Question 3

process of converting nitrogen gas into nitrogen compounds that plants can absorb and use

Answer 3

Nitrogen Fixation

Question 4

process by which bacteria convert nitrates into nitrogen gas

Answer 4

Dentrification