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Natural Selection and Evolution

TermDefinition
Natural Selection A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.
Adaptation A trait that helps an organism survive and reproduce
Population a group of organisms of the same species living in a specific geographical area
Gene A segment of DNA on a chromosome that codes for a specific trait
DNA A complex molecule containing the genetic information that makes up the chromosomes.
Species A group of similar organisms that can breed and produce fertile offspring.
Mutation A random change in a gene or chromosome.
Mimicry Ability of an animal to look like another more harmful animal
Genetics The scientific study of heredity
Evolution Change in a kind of organism over time; process by which modern organisms have descended from ancient organisms.
Camouflage the act of concealing the identity of something by modifying its appearance
Artificial Selection Breeding organisms with specific traits in order to produce offspring with identical traits.
GMOs Breeding organisms with specific traits in order to produce offspring with identical traits.
Trait A characteristic that an organism can pass on to its offspring through its genes.
Variations Any difference between individuals of the same species.
Darwin English natural scientist who formulated a theory of evolution by natural selection (1809-1882)
HMS Beagle The ship Charles Darwin sailed on
Heredity Passing of traits from parents to offspring
Fossil A trace of an ancient organism that has been preserved in rock.
Embryology The branch of biology that studies embryos and their development.
Biogeography Geographic distribution of species.
Anatomy The study of body structure
Survival of the Fittest Another phrase for natural selection
Homologous structures Structures in different species that are similar because of common ancestry.
Vestigial structures A structure that is present in an organism but no longer serves its original purpose
Structural Adaptations a physical feature of an organism's body having a specific function that contributes to the survival of the organism
Functional Adaptations Biological changes that occur during an individual's lifetime, increasing the individual's fitness in the given environment
Behavioral Adaptations The way an animal ACTS in order to survive
Created by: user-1856870
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