Quiz Week 6.docx - Quiz Week 6 (1st Attempt) (95%) 1....

Quiz Week 6 (1 st Attempt) ( 95% )
1. Genetic variation is accomplished by all but one of the following. Which one is it?
2. The only source of new alleles in a species is _____. 3. Homology is evidence of _____, while a analogous structures are evidence of _____. 4. The word “theory” in theory of evolution is best replaced by _____.
5. Which of the following best describes evolution? 6. What is required for speciation to occur? 7. Galapagos medium round finches are found on Santa Cruz and San Cristobal islands, which are separated by
about 100 kilometers of ocean. Occasionally, individuals from either island fly to the other island to stay. This
can alter the allele frequencies of the population through which of the following mechanisms?
8. Based on the following phylogenetic tree, which of the following conclusions are NOT correct? Each letter
represents a hypothetical species.
9. Old world monkeys have prominent tails; apes and humans do not. See the diagram. At what labeled point did
this evolutionary event (loss od the tail) occur?

Point 3
10. A storm uproots 60% of the trees in a population. This is an example of _____.
11. What type of reproductive isolating mechanism occurs when female fireflies only mate with males who emit light
in a particular pattern?
12. Microevolution is to population as macroevolution is to _____. 13. After a disastrous Blizzard, there was a significant increase in the allele frequency of blue eye color in Husky