5 Written Questions

1. selection by humans for breeding of useful traits from the natural variation among different organisms
2. principle that each living species has descended, with changes, from other species over time
3. well-tested explanation that unifies a broad range of observations
4. ability of an organism to survive and reproduce in its environment
5. structures that have different mature forms in different organisms but develop from the same embryonic tissues

4 Multiple Choice Questions

1. organ that serves no useful function in an organism
   1. vestigial organ
   2. theory
   3. fossil
   4. adaptation
2. process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest
   1. natural selection
   2. adaptation
   3. evolution
   4. artificial selection
3. process by which individuals that are better suited to their enviornment survive and reproduce most successfully; also called natural selection
   1. fitness
   2. struggle for existence
   3. survival of the fittest
   4. natural selection
4. competition among members of a species for food, living space, and the other necessities of life
   1. survival of the fittest
   2. natural selection
   3. common descent
   4. struggle for existence

4 True/False Question

1. common descent → ability of an organism to survive and reproduce in its environment
   

   True        False

2. fossil → ability of an organism to survive and reproduce in its environment
   

   True        False

3. adaptation → inherited characteristic that increases an organism's chance of survival
   

   True        False

4. evolution → inherited characteristic that increases an organism's chance of survival
   

   True        False