Front

Both plants and animals use nitrogen to make _________ and __________

Back

proteins and DNA

Front

Temperature, light, air, water, and soil are all _____ parts of the environment

Back

abiotic

Front

Which is true of the location above? It has high species __________

Back

evenness

Front

__________ primary productivity is the total amount of energy that producers convert to chemical energy in organic molecules per unit of time.

Back

Gross

Front

An evolutionary event in which a significant percentage of a population or species is killed or otherwise prevented from reproducing is called a __________

Back

population bottleneck

Front

The process by which nitrogen is converted into a usable form for plants is called __________

Back

nitrogen fixation

Front

The variety of life in a particular habitat or ecosystem is known as __________

Back

biodiversity

Front

The maximum population size that an environment can sustain indefinitely is called its __________

Back

carrying capacity

Front

The role and position a species has in its environment is referred to as its __________

Back

niche

Front

The measure of the number of different species in a given area is known as __________

Back

species richness