Definitoin

1. species-group of organisms that sh are analogous characteristics and basis reproduce among themselves producing fertile offspring. 2. phylogeny-change in inherited characteristics over time. 3. Natural selection-a process by which organisms with traits full(prenominal) hat suited to their environment are more seeming to live on and reproduce ; includes cin one casepts of play, overproduction, and competition. 4. variation-inherited trait that makes an individual antithetical from other members of the identical species and results from a mutation in the organisms genes. 5. Adaptation-any variation that makes an organism better suited to its environment. 6. gradualism-model describing evolution as a slow process by which atomic number 53 species changes into a sensitive species through a continuing serial of mutations and variations over time. 7. Punctuated equilibrium-model describing the quick evolution that occurs when mutation of a few genes results in a spec ies suddenly changing into a naked species. 8. Sedimentary rock-a sheath of rock, such(prenominal) as limestone, that is most promising to contain fossils and is make when layers of sands, silt, clay, or mud are cemented and compacted together or when minerals are deposited from a solution. 9. Radioactive element-element that gives off a steady amount of money of radiation as it lento changes to a nonradioactive element. 10.

embrology-study of embryos and their development. 11. adult malelogous-body move that are alike(p) in structure and origin and can be similar in influence. 12. Vestigial structure-structure, such as the human appendix, that doesnt seem to have a functi on and may once have functioned in the body ! of an ancestor. 13. high priest-group of mammals including humans, monkeys, and apes that ploughshare characteristics such as opposable thumbs, binocular vision, and flexible shoulders. 14. Hominid-humanlike primate that appeared about 4 million to 6 million historic goal ago, ate both plants and meat, and walked upright on two legs. 15. homophile sapiens-early humans that...If you want to get a full essay, pitch it on our website: OrderEssay.net

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