Bio2 Flashcards
1
Q
Anything that takes up space and has mass
A
Matter
2
Q
Chemical substance that an organism must obtain from its environment to sustain life and to undergo life processes
A
Nutrient
3
Q
The exchange of matter through the biosphere
A
Biogeochemical cycle
4
Q
Process in which fixed nitrogen gas and returned to the atmosphere
A
Denitrification
5
Q
The total mass of living matter at each trophic level, decreases at each trophic level
A
Biomass
6
Q
This process of capture and conversion of N
A
Nitrogen fixation
