natural selection

Trait: a specific characteristic of an individual organism

Variation:  any difference in traits between individual organisms

Mutation: a random change to a gene that sometimes results in new traits

Predator: an animal that hunts and kills other animals for food

Prey: an animal that is hunted or killed by another animal for food

Camouflage:  a way of hiding by looking the same as the background

Environment:  everything (living and nonliving) that surrounds an organism.

Abiotic: nonliving things 

Biotic:  living things

Genetics: study of how traits are passed down from one generation to another

Trait: any characteristic that can be passed from parent to offspring… result of genes

Alleles: Forms of a gene (Dominant or recessive)

Homozygous: having two of the same alleles for a trait (purebred)

Heterozygous: having two different alleles for a trait (hybrid)