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Ecology Chapter 13.4, 13.5, 13.6

Terms in this set (12)

trophic level
levels of nourishment in a food chain
nitrogen fixation
process where bacteria turn nitrogen into ammonia
biomass
is a measure of the total dry mass of organisms in a given area
decomposer
detritivores that break down organic matter into simpler compounds. Fungi are one example
geo
Earth
food web
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
troph
nourishment
specialist
consumer that primarily eats one specific organism
generalist
consumer that has a varying diet
energy pyramid
diagram that compares energy used by producers, primary consumers, and other trophic levels
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