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Unit 4 Vocabulary

Across
Frequency of different genotypes in a small population.
The remains or impression of prehistoric organism preserved.
Reproductive isolation which timing prevents the closely related species from mating.
Breeding by which the breeder chooses to perpetuate.
Organisms that have best adapted to their environment.
Gradual development from simple to complex form.
Separation of groups that results in changes in their ecology or environment.
Process where organisms who adapt to their surroundings survive.
Process in which two or more populations ancestral species have a genetic change through time.
Down
Form of reproductive isolation the prevents two different species from interbreeding.
Separation of same species by a physical barrier.
When same species begin to develop different behaviors that are not recognized by other populations.
A group within a species separate from other members and develop unique traits.
Becoming physically fit and healthy.
The process of a particular thing ceasing to exist.
Unit of heredity transferred from parent to offspring.
Changing of the structure of a gene.