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HW #7

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
show structures that do not have a common evolutionary origin but are similar in function  
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show selective breeding of plants and animals to promote the occurrence of desirable traits in offspring  
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catastrophism   show
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convergent evolution   show
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show the gradual change in a type of organism over time  
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show a trace of an ancient organism that has usually been preserved in sedimentary rock  
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homologous structures   show
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show Lamarck's theory that characteristics acquired during the lifetime of an organism can be passed onto offspring  
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natural selection   show
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show a group of organisms that belong to the same species and live in the same area  
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uniformationism   show
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vestigial structure   show
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adaptation   show
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show the number of times that an allele occurs in a gene pool compared with the number of alleles in that pool for the same gene  
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coevolution   show
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competition   show
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directional selection   show
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disruptive selection   show
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equilibrium population   show
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show ability of an organism to survive and reproduce in its environment  
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show change in allele frequencies as a result of the migration of a small subgroup of a population  
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show movement of alleles from one population to another  
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gene pool   show
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show a change in the allele frequency of a population as a result of chance events rather than natural selection  
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show principle that allele frequencies in a population will remain constant unless one or more factors cause the frequencies to change  
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mutation   show
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population bottleneck   show
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predation   show
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show a form of natural selection in which individuals with certain inherited characteristics are more likely than other individuals to obtain mates  
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stabilizing selection   show
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show an evolutionary pattern in which many species evolve from a single ancestral species  
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allopatric speciation   show
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show a term that typically describes a species that no longer has any known living individuals  
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isolating mechanism   show
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show condition in which an organism has extra sets of chromosomes  
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postmating isolating mechanism   show
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show any structure, physiological function, or behavior that prevents organisms of two different species from exchanging gametes  
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show separation of a species or population so that they no longer interbreed and evolve into two separate species  
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speciation   show
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species   show
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sympatric speciation   show
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amphibian   show
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arthropod   show
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show a member of a class of tracheophytes (Coniferophyta) that reproduces by means of seeds formed inside cones and that retains its leaves throughout the year  
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endosymbiont hypothesis   show
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eukaryote   show
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exoskeleton   show
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show a human or a prehistoric relative of humans, beginning with the Australopithecines, whose fossils date back at least 4.4 million year  
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lobefin   show
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show a member of the chordate class Mammalia, which includes vertebrates with hair and mammary glands  
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mass extinction   show
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plate tectonics   show
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primate   show
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prokaryote   show
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protocell   show
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show a group of amphibians was evolving adaptations to drier conditions who have three major adaptations to survive on earth  
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show an enzymatic RNA molecule  
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spontaneous generation   show
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show one of the three domains of life  
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bacteria   show
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show the variety of life in the world or in a particular habitat or ecosystem  
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class   show
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show determining the order of nucleotide bases in a gene or DNA fragment  
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show a taxonomic category above the kingdom level; the three domains are archaea, bacteria, and eukarya  
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show one of three domains consisting of the five kingdoms plantae, protista, animalia, chromista, and fungi  
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family   show
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genus   show
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show the second largest taxonomic group, consisting of closely related phyla  
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order   show
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phylogeny   show
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show the taxonomic group below kingdom and above class  
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scientific name   show
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show study of the diversity of life and the evolutionary relationships between organisms  
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Created by: zoe_szeto17
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