Definitoin

1. species-group of organisms that sh are similar characteristics and basis reproduce among themselves producing fertile offspring.
2. evolution-change in inherited characteristics over time.
3. Natural selection-a process by which organisms with traits high hat suited to their environment are more likely to live on and reproduce ; includes concepts of play, overproduction, and competition.
4. variation-inherited trait that makes an individual different 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 one species changes into a sensitive species through a continuing series 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 species suddenly changing into a new species.
8. Sedimentary rock-a sheath of rock, such as limestone, that is most likely 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 slowly changes to a nonradioactive element.
10.



embrology-study of embryos and their development.
11. adult malelogous-body move that are similar 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 function 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 period ago, ate both plants and meat, and walked upright on two legs.

15. homo sapiens-early humans that...If you want to get a full essay, effectuate it on our website: Ordercustompaper.com



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