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Evolution Intro

QuestionAnswer
change in heritable traits over time evolution
small scale evolution microevolution
large scale evolution macroevolution
he came up with the theory of natural selection Charles Darwin
states that some individuals will have better survival and reproductive success due to environmental conditions natural selection
the creation of a new species speciation
being able to reproduce and have fertile offspring species
having more offspring than the environment can support overproduction
things that organisms compete for (food, water, shelter) limited resources
this is what natural selection acts on heritable phenotypes
differences in physical traits within a population variation
a trait that allows an organism to better survive in its environment adaptation
selection where females of species do the choosing sexual selection
selection where 1 of the extreme phenotypes is selected for directional selection
selection where humans do the choosing for other species artificial selection
selection where both extreme phenotypes are selected for disruptive selection
evolution from common ancestor to become different divergent evolution
evolution from different ancestors to become similar convergent evolution
evolution by two species due to a close relationship between them (one evolves and the other does to) coevolution
another name for divergent evolution (many new species) adaptive radiation
long period of little/no evolution followed by lots of evolution in a short period of time punctuated equilibrium
A branching diagram that represents a hypothesis about the evolutionary history of a group of organisms phylogenetic tree
structures that are similar but have different functions (is evidence of common ancestor) homologous structures
structures with the same function but different structures (is NOT evidence of common ancestor) analogous structures
structures that no longer have a function in modern day organisms (is evidence of common ancestor) vestigial structures
separated by time temporal isolation
separated by actions behavioral isolation
separated by physical barrier geographical isolation
separated by offspring being sterile reproductive isolation
reproduction best in changing environments/conditions sexual reproduction
hibernating in the summer estivation
reproduction best in stable conditions asexual reproduction
the reason why you do not look like your parents or siblings genetic recombination
Created by: cadetjt
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