ecosystems Flashcards
1
Q
What does it mean by commensalism?
A
2 organisms benefitting from each other.
2
Q
What does it mean by symbiosis?
A
2 organisms living in close physical assosciation typically to the advantage of both.
3
Q
What does it mean by parasitism?
A
One organism benefitting at the expense of another organism while the other organism does not benefit from it.
4
Q
How is natural change caused in an ecosystem?
A
They occur through a natural process meaning no human activity has an impact.
5
Q
How is human impact caused in an ecosystem?
A
Human impact in a system is anything that is caused by humans. For example, spreading litter.
