DNA
What are the three different types of mutations?
Positive, negative, and neutral.
An adaptation starts as a ______
Mutation in the genotype
Charles Darwin observed what main varation between the Galapagos finches.
Claudagrams compare ______
adaptations and traits throughout species
Natural selection is started through a mutation and _______ _______ decides if the mutation becomes a trait of the population
Natural Selection
Mutations are _______ adaption is not
Random
Once a species becomes to different from the original species that they will not mate is called
Speciation
Darwin came up with what theroy?
when desendants all come from the same person, that person is know as...
A common ancestor.
Natural selection is dependent on
Adaptations, and enviornment.
Artificial Selection is the process in which...
Humans select organisms with desirable traits and breed them.