Science Goal 8- Natural Selection Flashcards
(11 cards)
States that animals with desirable traits for their survive better in their environment, and pass on the traits. (Survival of the fittest)
Natural selection
Developed the theory of natural selection
Charles Darwin
As natural selection occurs for a traits, over generations, the population changes to a more favorable trait.
Evolution
When a certain population becomes isolated, the demands change and they must mate with others to form a new species
Isolation
New species formed from isolation
Speciation
A mutation that allows an organism to have an advantage to surviving in their environment
Adaptation.
Different colors, sizes, traits
Variation
Species reproduce at different times in the year
Temporal isolation
Mating calls and courtship rituals ensure that members of the same species on,y mate with each other
Behavioral isolation
Structural differences that prevent breeding
Mechanical isolation
2 different species produce offspring, hybrids, that can’t reproduce, sterile
Formation of sterile hybrids