Ecosystems

Review:

SYMBIOSIS

When both organisms benefit from the relationship. MUTUALISM When both organisms benefit from the relationship. + +

Ex. Plants and insects

Ex. Plants and birds

Seeds are dispersed when the bird poops.

Ex. African ants and Acacia tree

Black Rhino and Red-billed Oxpeckers

Nile Crocodile and Egyptian Plover

Lichens Fungus and Plant

When one organism benefits and the other is unaffected. commensALISM When one organism benefits and the other is unaffected. + o

Clown Fish and Anemone

Cows and Cattle Egrets

Whales and Barnacles

Mimicry

When one organism benefits (parasite) but the other is harmed (host) ParasitISM When one organism benefits (parasite) but the other is harmed (host) + -

Flea

Tick

Leech

Round Worms

Tapeworm