Community Ecology II

Interspecific Interactions

Relationship between individuals of two or more species in a community.

Competition

When individuals compete for resources that impact survival and reproduction for both species

Exploitation

Any +/- interaction in which individuals of one species benefit by feeding on individuals of another species.

Cryptic Coloration

Camouflage

Aposematic coloration

Warning coloration

Batesian Mimicry

harmless species resembles a harmful or bad tasting species

Parasitism

One organism (parasite) obtains nourishment from another organism (host) which is then harmed. (+/-)

Endoparasites

live and feed within the surface of their hosts.

Mutualism

A species interaction when both species benefit

Lichen

a close association between fungus and a photosynthetic organism

Micorrhizal

associations with vascular plants in root systems

Endophytes

Fungi that lives inside plant leaves

Commensalism

Positive interaction when one individual benefits and neither species is harmed (+/0)

Parasitoid insects

lay eggs on or inside living hosts.