Interactions in Ecosystems

How an organism interacts with biotic and abiotic factors in a habitat

• niche

• competition

• predation

• symbiosis

• commensalism

Species live close together and one of them benefits

• niche

• competition

• predation

• symbiosis

• commensalism

Struggle between organisms to survive

• niche

• competition

• predation

• symbiosis

• commensalism

One organism eating another organism for survival

• niche

• competition

• predation

• symbiosis

• commensalism

One organism benefits and the other is not affected.

• niche

• competition

• predation

• symbiosis

• commensalism

One organism benefits and the other is harmed

• mutualism

• parasitism

• interactions

• symbiosis

Predation and competition are examples of this

• mutualism

• parasitism

• interactions

• symbiosis

Both organisms benefit from each other.

• mutualism

• parasitism

• interactions

• symbiosis

What main resources do organisms compete for that can become limited?

• water

• shelter

• food

• sunlight

• air

When animals fight over a limited resource is called ___________.