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Stack #4412662

TermDefinition
fossil record is made up of all the fossils ever discovered on earth.
mold the impression of an organism
cast is a fossil copy of an organism in a rock
trace fossil is the preserved evidence of the activity of an organism
geologic time scale is a chart that divides earths history into different time units
extinction occurs when the last individual organism of a species dies
biological evolution is the change over time in population of related organism
naturalist is a person who studies plants and animals by observing them
variation is a slight difference in an inherited trait of individual members of a species
natural selection is the process by which population of organisms with variations that help them survive I their environment live linger, complete better, and reproduce more than those who do not have the variation
adaptation is an inverted trait that increases an organisms chance of surviving and reproducing in its environment
camouflage is an adaption that enables a species to belp in with its environment
mimicry camouflage and mimicry are adaptions that help species avoid being eaten
selective breeding like many domestic plants and animals produced from selective breeding pigeons look different from their ancestors
comparative anatomy is the study of similarities and differences among structures of living species
homologous structures are body parts of organisms that are similar in structure and position but different function
amalouse struct
Created by: denn1e
 

 



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