Facilitation and competition

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  • Created by: Annal22
  • Created on: 14-05-17 12:44
'When resources are shared more evenly by all organisms in a population, resulting in reduced fitness for all individuals.'
Scramble competition
1 of 10
'When the parasite benefits from the host, with there being neutral effects on the host'.
commensalism
2 of 10
'An organism which provides a benefit to another at an energetic cost to itself'.
actor
3 of 10
'When physiological differences are higher in sympatric populations than allopatric populations, because of disruptive selection'.
Character displacement
4 of 10
'The non-territorial exclusion of an organism from an area e.g. scavengers fighting over a carcass'.
Encounter competition
5 of 10
'When an organism is the first to inhabit an area or exploit a particular resource, it competitively excludes others from doing the same'.
preemption competition
6 of 10
Gause's law of competitive exclusion states that....
two species with the the same ecological niche cannot survive coexist in an area.
7 of 10
An introduced species becomes an invasive species when....
It harms the native ecosystem and the organism within it.
8 of 10
In order to prove his theory of competitive exclusion, Gause performed experiments on ....
Paramecium bacteria (aurelia, caudatum and bursaria)
9 of 10
'An organism can expand it's niche in response to removal of a competitor, or through invasion into new areas'.
Competitive release
10 of 10

Other cards in this set

Card 2

Front

'When the parasite benefits from the host, with there being neutral effects on the host'.

Back

commensalism

Card 3

Front

'An organism which provides a benefit to another at an energetic cost to itself'.

Back

Preview of the front of card 3

Card 4

Front

'When physiological differences are higher in sympatric populations than allopatric populations, because of disruptive selection'.

Back

Preview of the front of card 4

Card 5

Front

'The non-territorial exclusion of an organism from an area e.g. scavengers fighting over a carcass'.

Back

Preview of the front of card 5
View more cards

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