Origami Birds

• All organisms, including humans, retain evidence of their evolutionary history.
• Mutations are random, but selection is not; selection is dependent on many factors.
• Traits that are advantageous often persist in a population.
• The process by which advantageous traits are maintained and disadvantageous traits are weeded out of a population is known as natural selection.
• Inherited characteristics affect the likelihood of an organism's survival and reproduction.
• Natural selection acts on individuals and populations in a nonrandom way.
• Evolution acts on what exists.
• Organisms cannot purposely produce adaptive mutations in response to environmental influences.
• Speciation is the splitting of one ancestral lineage into two or more descendant lineages.

• Natural Selection