Ecology Chapter 13.4, 13.5, 13.6

Terms in this set (12)

levels of nourishment in a food chain

nitrogen fixation

process where bacteria turn nitrogen into ammonia

is a measure of the total dry mass of organisms in a given area

detritivores that break down organic matter into simpler compounds. Fungi are one example

model that shows the complex network of feeding relationships and the flow of energy within and sometimes beyond an ecosystem

biogeochemical cycle

movement of a particular chemical through the biological and geological parts of an ecosystem

hydrologic cycle

circular pathway of water on Earth also known as the water cycle

consumer that primarily eats one specific organism

consumer that has a varying diet

diagram that compares energy used by producers, primary consumers, and other trophic levels

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