define fitness
adaptation to the environment
What is speciation?
Cant breed
How are mutations associated with evolution?
As time went on the better traits survived in certain environments
what is an embryo?
The first prenatal stage
what is a vestigial structure?
Something that isn't used
What is the gene pool?
Traits available
How does embryonic development help support the theory of evolution?
All the embryos look the same
what is heritability?
Define adaptation
A positive mutation that helps
Explain how natural selection could support the theory of evolution?
Evolution is how things change over time and natural selection is choosing which mutations survives in the long run
What are the three types of natural selection?
Directional, disruptive, and sexual
What type of selection are humans involved with?
artificial selection
Whales have a hip bone, what does this suggest about their ancestors?
Give one example of a variation that would not be heritable
Scars or a amputation for like a crash
What is a homologous structure?
Similar structures
What type of selection caused wolves to branch into the large range of dogs we have today?
Artificial