Defined by Darwin as a species changing over time, give rise to new species, and have common ancestors
Adaptations
Features that make a species well-suited to its specific immediate environment
Principles of natural selection:
More offspring will be produced than can survive
Traits are often heritable
Offspring vary in their heritable traits
Natural selection
Darwin's idea that variations in populations competing for limited resources will lead to those with genetics more conducive to surviving will lead to more offspring, and so those traits will get more common as the generations go on
4 mechanisms of evolution:
Natural selection
Genetic drift
Gene flow
Mutation
Artificial selection
Another word for selective breeding
Artificial selection
Where humans select for desirable traits in agricultural products or livestock, instead of just leaving them to evolve and change without interference
Purebred
Type of dog that comes from a lineage of all the same breed with o exceptions
Cross bred
Type of dog that is the offspring of two different types of purebreds
Mixed breed
Type of dog whose parents are not purebreds and are a mix of different breeds
Convergent evolution
When a trait is evolved and spread through a population of a special in multiple places independently of each other because it is just that girl