SYMBIOSIS – two or more species live together in a close, long-term association 1

Parasitism – good for one species, bad for host 2

Mutualism – both species benefit 3

Commensalism – one species benefits and the other is unaffected 4

Symbiosis Activity I’m going to out you in groups of 3 You’re going to create 3 different types of relationships from the organisms on the worksheet You need an example for each type of symbiotic relationship Parasitism Mutualism Commensalism 5

Interspecific Interactions 6

Competition Species directly competing for resource -ex. In Africa, lions and hyenas compete for prey 7

Predation Predators have ways to find and eat their prey examples – lions, snakes, spiders, centipedes Prey have ways to hide from or escape their predators 8

Camouflage: Poor-will (left), lizard (right) 9

Aposematic (warning) coloration in a poisonous blue frog 10

Deceptive coloration: moth with "eyeballs" 11

Mimicry 12