3.0 Ecosystems

Alex's Science

Mutualism

The interaction is beneficial to both species.

Commensalism

One species benefits and the other species is unaffected.

Competition

Both species are negatively affected because they compete for resources.

Predator–prey

The predator benefits and the prey is harmed or killed.

Parasitism

The parasite benefits and the host is harmed.

Predator

An organism that kills and feeds on prey

Prey

An organism that is killed by a predator

Importance of Predator-Prey relationship

Stabilises the numbers of prey organisms

Adaptation

A characteristic that an organism is born with that helps it to survive in its environment

Parasite

An organism that lives in or on another organism, causing it harm

Pollinator

An organism that transfers pollen from the male part of a plant to the female part

Host

Organism that gets harmed by the parasite