How does the founder effect influence the frequency of alleles in a population?

  Based on the evolutionary tree shown above, which two organisms are most closely related?

Stimulus and response propositions deal with which explanation for why imagery works?

Which trait provides a survival advantage?

Which of the following is the correct way to write the scientific name of the wolf?  Option 1: Canis Lupus Option 2: canis lupus Option 3: canis Lupus Option 4: Canis lupus Option 5: Canis lupus

Two species of garter snakes live in the same geographic area. One lives mainly in water and the other mainly on land; therefore, they rarely encounter each other and do not interbreed. What type of isolation is this?

The fish in a certain population average 10 millimeters in length. Imagine that a population of predatory birds arrives in the area, but they cannot eat fish longer than 15 millimeters. After a decade, if the fish average 14 millimeters in length, what probably happened?

The ant Myrmecia pilosula has the smallest number of chromosomes possible in a eukaryote: females possess only one pair of chromosomes, and males have only one chromosome! Put another way, female M. pilosula can be described as having the haploid condition n = 1 and the diploid condition 2n = 2. Based on this scenario as well as your knowledge of gamete formation, a female M. pilosula can produce gametes with ________ different sets of chromosomes. 

If the weather in Virginia changed so dramatically that there was snow on the ground most of the year, what would occur in the local squirrel population?

Based on your understanding of mitosis, explain the function of this process, where it takes place, and the result of this type of cell division.