interdependence in ecosystems Flashcards
1
Q
what does symbiosis mean
A
2 organisms that depend on each other
2
Q
what are the three types of symbiotic relationships
A
-mutualism
-commensalism
-parasitism
3
Q
what is mutualism
A
where both organisms benefit (+/+)
4
Q
what is commensalism
A
where only one organism benefits but the other organism is neither harmed or benefits (+/0)
5
Q
what is parasitism
A
where one organism benefits and the other organism is harmed in some way (+/-)
