Natural Selection
What is Natural Selection?
Process by which organisms that are best suited for their environment are able to survive and reproduce.
What is Evolution?
Process by which species change over time
What is Variation?
Genetic differences among individuals in a population
What are Cladograms?
Diagrams that show the evolutionary relationship between species.
What is an Aquired Trait?
Traits that are developed, can't be passed down because they aren't coded for in DNA
What are the two main sources of Variation?
Mutations and Sexual Reproductions
What is a Descendant?
An organism that developed from another thing that existed earlier
Where is the youngest fossil located?
At the top
What does Natural Selection lead to?
Evolution
What happens if an organism hasn't made it to present time?
they went extinct
Where is the oldest fossil located?
At the bottom
What does Natural Selection require?
Variation
What is a common ancestor?
A species from which another species evolved from
When do organisms go extinct?
When they are no longer suited for the environment
What are the 3 parts of the Darwin's process?
variation, overproduction and competition.
What do the branches represent?
Descendants of the common ancestor.