Home
Flashcards
Preview
c. 15 vocab
Home
Get App
Take Quiz
Create
evolution
development of new types of organisms from preexisting types of organisms over time
strata
rock layers
natural selection
mechanism for descent of modification
adaption
trait that makes individuals successful in the enviroment
fittest
measure of an individuas heredity contribution to the next generation
fossils
the remains or traces of an organism that died a long time ago
superposition
principle that states that younger rocks lie above older rocks if the layer haven't been disturb
relative age`
its age compared to that of other fossils
absolute age
time since formation of the rock
biogeography
study of the locations of organisms around the world
homologous structures
species that have similar structure and a common ancestor
analagous structures
species that have similar functions but do not have a common ancestor
vestigial structures
structure that serves no purpose, or function, but resembles structures with functional roles in related organisms.
ex: tailbone
phylogeny
the relationships by ancestry among groups of organisms
convergent evolution
process in which different species evolve similar traits
divergent evolution
process in which the descendants of a single ancestor diversify into species that each fit different parts of the enviroment
adaptive radiation
pattern of givergence/ evolutionary pattern in which many species evolve from a single ancestrol species
artificial selection
the selective breeding of organisms for specific desirable characteristics
coevolution
when two or more species have evolved adaptions to eachother's influence
Author
Anonymous
ID
16887
Card Set
c. 15 vocab
Description
bio vocab
Updated
2010-04-30T03:19:58Z
Show Answers
Home
Flashcards
Preview