In this question based on the character appear, it can be assumed that the second last option is most appropriate phylogenic representation of the evolutionary relation ship. That first it divide in two groups and then second one further divide in two species.
In the diagram below, the four living lizard species on the right are descended from the...
In the diagram below, the four living lizard species on the right are descended from the extinct common ancestor on the left. Traits that evolved include: homs, spots back crest, tail crest, and dewlap (flap under the chin). Use this information to answer the next question
need help with this .. From the pages 571-587 attached below. 1a) Suppose a population of guppies was infected with a parasite. In that population a mutation results in a parasite resistant genotype that spreads through the population through natural selection. A subsequent mutation in the parasite results in a genotype that is unaffected by the newly evolved resistant guppy genotype. What is the name of the hypothesis that explains this host parasite “arms race”.? 1b) What is this name...