The survival and reproduction of the organisms that are genetically best fit for their environment
What is Natural Selection?
Slow change of an organism that has many transitional fossils in the rock layers over time
What is gradualism?
Mechanism for Evolution
What is Natural Selection
Evolution can only occur if this is involved
What is Genetic Variety?
What are the four steps of natural selection?
What are overproduction, variation, competition, and selection.
Two organisms share a large amount of similar DNA
What are Common Ancestors.
The more variation in a species
What is the more likely it is to survive?
Two different organisms are alike, then they share this in their bloodline
What is a Common Ancestor?
A little child catches a fly and pulls its wings off. The fly actually lives a better life, but does not pass its lack of wings on to its offspring because the loss of wings is an _________ _______.
What is an Acquired Trait?
Rapid change in an organism followed by a long period of no change
What is punctuated equilibrium?
In embryology, the embryos are very similar to each other. What does this suggest?
What is a common ancestor?
It is important for new individuals to come into a population. What does this provide for?
Genetic Variation