1.
An organism from which two or more different species evolved
2.
A change in structure, function, or behavior in a species that helps the species better survive
3.
Change in the characteristics of a species over several generations
4.
How organisms that are better adapted to their environment survive and reproduce
5.
Characteristics of an organism
6.
Difference in DNA in an individual within a population
7.
An organism's ability to pass its genetic material to its offspring
8.
How an organism acts to help with survival
9.
Change occurring outside the body to help with survival
10.
Change occurring inside the body to help with survival
11.
Similar physical features in organisms that share a common ancestor, but the features have different functions
12.
Similar features in different species that have the same function but different structures and origins
13.
A body part that has lost some or all of its original function over time