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Evolution Vocab 24

QuestionAnswer
Homologous structures Structures adapted differently that are similar because of common ancestry. Ex)Limb bones
Vestigial structures Leftover structures from common ancestors Ex) Tailbone
Embryology Embryos develop similarly because of common ancestry Ex)”Tadpoles”
Biochemistry Comparing DNA, Proteins, Enzymes etc to find common ancestry
Natural selection Survival of the "fittest". Live and pass on your genes.
Use and disuse "Inheritance of acquired characteristics" a disproven "use it or lose it" theory of evolution
Variation Differences between members of the same species
Overproduction Organisms produce more offspring than can survive, increasing variation and adaptability
Competition The struggle between organisms to survive in a habitat with limited resources
Geologic time Oldest fossils are deeper and simpler, mostly extinct
Eohippus Fossils demonstrate that the ancient horse is a shorter ancestor of the modern horse
Resistance A gene helps them survive, survivors pass on gene. Ex) Antibiotics & Pesticides. (Not Immune)
Created by: kgarlitz
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