Evolution

Change over time...

• Evolution
• Nucleotide 

Changes in a species over generations, due to changes in the environment

• Distribution

• Mutation

• Adaptation

• Resistance

A random and permanent change to a gene

• Protein

• Gene

• Natural Selection

• Mutation

What needs to be true for adaptation to occur?

• A trait exists in a population

• Organism's ability to survive and reproduce are increased

• Trait is heritable

• The trait needs to be predominant in a population

Mutations are...

• beneficial when it helps survival and reproduction

• neutral when it doesn't help or hinder survival and reproduction

• harmful when it lowers the chance for survival and reproduction

Mutations happen

• when the environment changes

• when the animal needs to adapt

• at random

• after adaptation

Traits become more common in a population when it increases the probability of

• survival

• mutations

• reproduction

• dying

What is another name for natural selection?

• survival of the smartest

• survival of the fastest

• survival of the biggest

• survival of the fittest

Genetic drift is change in the allele frequency of a population due to...

• random chance

• natural selection

• non-random mating (sexual selection)

• artificial selection