Biology 6.3.1.

Question 1

Climax Community

Answer 1

The most complex community than an ecosystem can support, which is in a stable state and shows very little change over time.

Question 2

Consumer

Answer 2

organisms which obtain their energy by feeding on other organisms.

Question 3

Decomposition

Answer 3

the break down of dead matter.

Question 4

Denitrification

Answer 4

the conversion of nitrate ions into nitrogen gas.

Question 5

Nitrification

Answer 5

conversion of ammonia –> nitrite –> nitrate.

Question 6

Nitrogen fixation

Answer 6

conversion of atmospheric nitrogen –> ammonia.

Question 7

Primary succession

Answer 7

succession that begins on bare ground, by pioneer species, in a series of seral stages that progress to a climax community.

Question 8

Producer

Answer 8

an organism that converts light energy into chemical energy by photosynthesis.

Question 9

Trophic level

Answer 9

the position or stage that an organism occupies in a food chain.

Question 10

Sere

Answer 10

A stage during the process of ecological succession.