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BIOLOGY chapter 23 > keywords > Flashcards

Flashcards in keywords Deck (11):
1

ecosystem

all the interacting living organisms and the non living conditions in an area

2

community

all the populations of living organisms in a particular habitat

3

population

the number of organisms of the same species that all live in a geographical area at the same time

4

biotic

living components of an ecosystem

5

abiotic

non-living conditions in a habitat

6

edaphic

produced or influenced by soil

7

trophic level

stage in a food chain

8

biomass

mass of living material

9

decomposer

organism that breaks down dead organisms externally to release nutrients back into the ecosystem

10

detritivore

organism which speeds up the decay by breaking down detritus internally into smaller pieces

11

succession

the progressive replacement of one dominant type of species or community by another in an ecosystem until a stable climax community is reached