Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password



Already a StudyStack user? Log In

Reset Password
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)

  Normal Size     Small Size show me how


Evoution terms and descriptions

Overprodduction Specieces produces more offspring than can survive
Variation Differences between individuals of the same species
Adaptation A trait that is favourable to an organisms survival and reproduction
DNA A large biological molecule composed of subunits known as nucleotides strung together in long chains. Changes in DNA result in mutations, which may be beneficial, neutral, or deleterious to the organism.
Species A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding
Chromosome A double stranded DNA molecule that contains a series of specific genes along its length. In most sexually reproducing organisms, chromosomes occur in pairs, with one member of the pair being inherited from each parent.
Evolution Evolution consists of changes in the heritable traits of a population of organisms as successive generations replace one another. It is populations of organisms that evolve, not individual organisms.
Speciation The evolutionary processes through which new species arise from existing species.
Trait A physical or behavioral characteristic of an organism.
Created by: dtoohey0










Pass complete!

"Know" box contains:
Time elapsed:
restart all cards