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Bio mod 3 - Coggle Diagram
Bio mod 3
Effects of the envrionment on organisms
Selection pressures
Invasive species
Cane toads
introduced in 1935 to control cane beetles
Rapid reproduction, adapatable, toxic skin
Human disposal ineffective.
Prickly pears
1788 for cochineal industry
Well adapated to au climate, outcompeted native wildlife
Controlled by cactoblustin cacorum moth
Size of populations
Immigration
Emmigration
Population growth
Exponential growth patterns (J curve)
Logistic growth pattern (S curve)
Deaths
Limiting factors
Density dependant limiting factors
Carrying capacity
Keystone species
Yellowstone wolves
Mangrove trees
Elephants
Ecosystem stability
Adaptations
Structural
Physiological
Behaviourial
Theory of evolution through natural selection
Steps of natural selection