5 Written Questions

1. principle that all species are derived from common ancestors
2. organ that serves no useful function in an organism
3. formation of new species
4. preserved remains of ancient organisms
5. the ablity of an individual to survive and reproduce in its specific envrionment

5 Matching Questions

1. natural selection
2. artificial selection
3. genetic equilibrium
4. hardy-weinburg principle
5. struggle for existence

1. a another name for survival of the fittest
2. b selection by humans for breeding of useful traits from the natural variation among different organsims
3. c members of each species compete regularly to obtain food living space and other necessities of life
4. d situation in which allele frequencies remain constant
5. e allele frequencies in a population remain constant unless one or more factors cause those frequencies to change

5 Multiple Choice Questions

1. when two populations are separated by geographic barriers
   1. temporal isolation
   2. geographic isolation
   3. behavioral isolation
   4. reproductive isolation
2. allele frequencies change due to migration of a small subgroup
   1. founder effect
   2. gene pool
   3. fitness
   4. common descent
3. change over time
   1. population
   2. evolution
   3. adaptation
   4. speciation
4. ends higher fitness than middle
   1. artificial selection
   2. directional selection
   3. natural selection
   4. disruptive selection
5. when the members of two populations cannot interbreed and produce fertile offspring
   1. disruptive selection
   2. temporal isolation
   3. geographic isolation
   4. reproductive isolation

5 True/False Questions

1. gene pool → all genes including all the different alleles present in a population

   True        False

2. survival of the fittest → controlled by one gene that has two alleles

   True        False

3. homologous structures → structures that have different mature forms but devolp from the same embryonic tissues

   True        False

4. genetic drift → randomn change in allele frequency

   True        False

5. directional selection → selection by humans for breeding of useful traits from the natural variation among different organsims

   True        False