Tree 1 Tree 2 Tree 3 outgroup A В C outgroup В C A outgroup A We have gathered some morphological data on three species of mythical mammals and the outgroup; these data are presented in the table below. Species Number of toes Eye color Tail Number of molars Outgroup 4 Brown Present 12 A 5 Blue Absent 10 4 Blue Present 12 Blue Absent 10 Now our task is to discover which of the three trees above is the most parsimonious, representing the most likely pathway of evolution. We determine the best tree by fitting the data in the table to each tree and calculating the number of evolutionary changes that are required. To facilitate our calculations, we will use the table below. The numbers in the table indicate the number of evolutionary changes that are required for each character in each tree.

A poodle (Canis lupus familiaris) and a gray wolves (Canis lupus) can interbreed to produce viable and fertile offspring. These dogs are very similar genetically , although their are quite different in appearance. Which species concept is most likely to place poodles and wolves together into a single species?   Question 19 options:   biological alone   morphological alone   morphological and phylogenetic   phylogenetic alone   biological and phylogenetic

Referring to the phylogeny below, which trait is the most ancestral? which trait is shared by species 4 and 3 but not 2?

Draw a possible unrooted tree that is the most parsimonious and use the table to do so. Explain why the tree is designed the way you designed it.  Be sure to use appropriate language in your explanation such as most recent common ancestor, sister taxon, ingroup/outgroup, reversal, etc.

Need help what is the difference between a gene tree and a species tree? Explain in your own words how it is possible for gorillas and humans to share a genetic trait (such as a retroviral insertion) that chimpanzees do not share, if chimpanzees and humans are really each other's closest relatives. Given the lack of agreement between gene trees and species trees, how is it possible to reconstruct the true species tree?

Species Concepts Review The Baltimore Orioles and Black-backed Orioles species complex has conflicting evidence in support of each being their own species and in support of them being the same species. Review the evidence below for each hypothesis, then, using that evidence, explain whether they should be classified as distinct or the same species based on each species concept. Then, using the overall evidence, decide whether to classify them as the same or different species. Genetic Information (In the Species Concepts lab, we used a "controversial" 10% cutoff. A more realistic cutoff might be 1%. Let's use a 1% cutoff for this activity.) Sequence Differences Baltimore Oriole vs Black- backed Oriole Cytochrome b 0.26% Control region 0.74% 2A. Based on the genetic information above, should the Baltimore Oriole and Black-backed Oriole be classified as one species or two species?

Please solve

Which statement is true, based on the phylogenetic tree shown here?   Question 12 options:   The monkey is equally related to the rat and to the rabbit.   Seals and bats are more closely related than rabbits and monkeys   The monkey is more distantly related to the bat than to the seal.   The rabbit is equally related to the monkey and to the rat.   The seal has no common ancestors with the rabbit.

A one or two sentence explanation is all that is needed for the mutiple choice question in Picture

To test evolutionary hypotheses, you make a phylogeny of a group of organisms based on six traits. You suspect tree dwelling evolved to allow for nest building. A В 4 2 E 5 G 3 J 1 = singing 2= nest-building 3 = short legs K 4 4 = hollow snout M - 6 N 5 = crest 6=tree dwelling a) Based on your phylogeny, did hollow snouts evolve to allow singing? Explain your answer. b) Your friend wants to put all of the species that have hollow snouts into a single taxonomic group. Is this a good taxonomic group? Explain your answer. CO