SB9d: Biotic Factors And Communities Flashcards
1
Q
Biodiversity
A
The variety of species in an area.
2
Q
Biotic factors
A
Living components (the organisms) in an ecosystem.
3
Q
Compete
A
When organisms interact to get a limited resource that they need.
4
Q
Competition
A
When organisms need the same resources as each other, they struggle against each other to get those resources. We say that they ‘compete’ for those things.
5
Q
Predation
A
When one animal species kills and eats another animal species.
6
Q
Predator–prey cycle
A
The regular variation in numbers of predators and numbers of prey within a feeding relationship.
