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Chapter 6 vocab

vocabulary

QuestionAnswer
fossil record all the fossils made up on earth.
mold the impression of an organism in a rock
cast a fossil copy of an organism in a rock
trace fossil the preserved evidence of an organism might walk across the mud.
geologic time scale a chart that divides Earth's history into different time units.
biological evolution the change over time in population of related organisms
naturalist a person who study's plants and animals by observing them.
variation a slight difference in an inherited trait of individual members of an species
natural selection the process by which population of an organism
adaption an inherited trait that increases.
camouflage an adaption that enables a species to blend in with its enviroment
mimicry camouflage and mimicry are species.
selectives breeding the breeding of organism for desired characteristics.
comparative anatommy the study of similarities and differences among structures of living species
homologous stuctures body parts of parts of organisms that are similarlarites and differences
Created by: mcintkay
 

 



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