SPI 0607.2.4 Identify the environmental conditions and interdependencies among organisms found in the major biomes.

The largest population that an environment can support Carrying Capacity The largest population that an environment can support

A resource that is scarce limits the size of a population Limiting Factor A resource that is scarce limits the size of a population

Adaptation a characteristic that improves an individual’s ability to survive in an environment

Competition Two or more individuals trying to use the same resource. (EX: food, water, shelter, space, or sunlight)

The organism that is eaten Prey The organism that is eaten

Prey

The organism that eats the prey Predator The organism that eats the prey

Predator

Warning Coloration Defense Chemicals Color scheme to warn predators Poisons organisms use to defend themselves

Warning Coloration & Chemicals

Camouflage Mimicry Blending in with the background Looking like another organism

Camouflage & Mimicry

a close, long-term relationship between two organisms Symbiosis a close, long-term relationship between two organisms

A symbiotic relationship in which both organisms benefit Mutualism A symbiotic relationship in which both organisms benefit

Mutualism

one organism benefits and the other is unaffected Commensalism one organism benefits and the other is unaffected

Commensalism

one organism benefits while the other is harmed Parasitism one organism benefits while the other is harmed

Parasitism