bio quiz 1

evolution

12 cards·by courtit

Fossil Records

remians of dead organisms

What are five mechanisms of evolution?

1 mutation 2 nonrandon mating 3 gene flow 4 genetic drift 5 natural selection

Homologous structure

Structures in different organisms having the same bone makeup

DNA Sequence

Similarities and differences in amino acid sequences between organisms

Embryology

Study of the early development of fetuses of different organisms

Vestigial Structure

Structure that have reduced in size because they no longer serve an important function

Natural Selection

process in which organisms with traits well suited to their environment survive and reproduced at a greater rate than less well- adapted

Variation

Natural changes in the DNA of individuals of a population

Fitness

Ability to survive and reproduce in a specific environment

Competition

Struggle for survival when a growing population causes a scarcity of resources

Adaptation

Inherited characteristics that increases chances of survival

What are the evidence of Evolution?

1 vestigial structure 2 homologous structure 3 fossil record 4 embryology 5 DNA sequence