Vocabulary
The changes that a species makes to survive in it's environment
Adaptation
geographic changes that isolate populations of a species preventing reproduction or gene exchange
Geographic Isolation
the result of random mutations and natural selection?
Evolution
Habitat
Changes that randomly occur in a population, through reproduction
Mutation
The role or purpose of a species in an ecosystem
Niche
A species only found in 1 environment
Endemic Species
Shifting traits in a population
Genetic Drift
Created the Theory of Evolution
Charles Darwin
When circumstances make one type of trait especially advantageous
Natural Selection
No two species can occupy the same ecological niche for long
Principal of competitive exclusion
Interaction of two species where both species benefit from one another
Mutualism
Any force that disrupts the established patterns of species diversity and abundance
Disturbance
occurs between individuals and species
competition
A species that play a critical role in an ecosystem
Keystone Species