2. Examine the phylogeny below, which is the phylogeny for all extant species from agenus of birds, constructed using nuclear sequences (the numbers simply label thespecies).23Clade A56Clade B17(a) Give two explanations for why there are more species in clade A compared to B(i.e. I want general explanations for why some clades have more species thanothers4.

Phylogeny for extant species refers to the evolution history of a group of species that are living…

2. Examine the phylogeny below, which is the phylogeny for all extant species from a genus of birds, constructed using nuclear sequences (the numbers simply label the species). 1 2 3 - Clade A 4 5 6 Clade B 1 7 (a) Give two explanations for why there are more species in clade A compared to B (i.e. I want general explanations for why some clades have more species than others

2. Examine the phylogeny below, which is the phylogeny for all extant species from a genus of birds, constructed using nuclear sequences (the numbers simply label the species). 1 2 3 - Clade A 4 5 6 Clade B 1 7 (a) Give two explanations for why there are more species in clade A compared to B (i.e. I want general explanations for why some clades have more species than others

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter23: Paleobiology And Macroevolution

Section: Chapter Questions

Problem 8TYK: Adaptive radiations often follow mass extinctions because: a. mass extinctions limit the impact of...

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Which of the following does not help systematists determine whether a morphological character state is ancestral or derived? a. outgroup comparison b. patterns of embryonic development c. studies of the fossil record d. studies of the character in more related species e. dating of the character by molecular clocks
Match the terms with the most suitable description. ______ phylogeny a. similar across many taxa ______ cladogram b. evolutionary history ______ master regulators c. human arm and bird wing ______ convergent evolution d. present in a group but not in its ancestors ______ derived character e. based on neutral mutations ______ molecular clock f. insect wing and bird wing ______ analogous structures g. diagram of .sets within sets ______ divergent evolution h. different lineages evolve in a similar way ______ homologous structures i. closely related lineages evolve in different ways
In a cladistic analysis, a systematist groups together organisms that share: derived homologous traits. derived homoplastic traits. ancestral homologous traits. ancestral homoplastic traits. all of the above.
7) Examine the image of the relatedness of vertebrates represented in this phylogenetic tree. Select all the statements that are supported by this tree. A) Gray whales are the common ancestor of the Blue and Humpback whales. B) Blue and humpback whales diverged more recently than either did from the gray whale. C) The Bryde's whale shares a more recent common ancestor with the Sei whale than with the Fin whale. D) The blue and the Bryde's whale have more traits in common with each other than with any other two species, E) Southern minke whales and Northern minke whales have more traits in common with each other than with any other species. Not Graded
4) What makes Archeopteryx an important fossil evolutionarily? A)This species has a mix of characters that suggest it was a "transitional" species between two large groups, dinosaurs and birds. B)This species is the oldest known, universally agreed upon, fossil of life, and therefore tells up what the common ancestor to all living things might have been like. C)This species has a mix of characters that suggests is was a "transitional" species between two large groups, fish and amphibians. D)This species is thought to be the last common ancestor between chimps and humans, and therefore is the root of our own specific group (homonins).
1.What is the scientific name of the beluga whale? 2.Write the common name of another species that is in the same CLASS as the beluga whale. 3.Bees and bats both fly, and their wings would be considered: A.Analogous Traits B.Homologous Traits
1. What is phylogeny? Why is it considered an important field in understanding evolutionary processes? 2. What is the difference between allopatric from sympatric speciation?
6) One could apply the phylogenetic species concept by a.comparing the morphology of two organisms. b.tracing the common ancestry of two organisms. c.determining the overall similarity in the ecological niche of two organisms. d.mating two organisms to see if viable offspring result.
8. Which of the following is problematic when the goal is to construct cladograms that accurately reflect evolutionary history? Group of answer choices shared derived characters homologous characters monophyletic taxa homoplastic characters
3. a) What is a phylogenetic tree and what information can we gain from studying it? b)What molecules did we explore in the laboratory to provides us with evidence of genetic evolution of fish?
4. Which of the following is an example of convergent evolution? Group of answer choices a. A population of finches becomes separated in the Galapagos Islands and begins to develop into two different species of finch b. Two different species of plants in separate deserts evolve a similar waxy outer cuticle to preserve water c. One species of lizard evolves a green coloration to blend in with its tropical forest surroundings, whereas another species evolves a tan coloration to blend in with its desert surroundings d. Because they share a recent common ancestor, Lions and Bengal Tigers both have retractable claws for catching prey e. Melanic moths begin to lose pigment in their wings as the environment becomes less polluted 6. Which of the following scenarios is an example of stabilizing selection? Group of answer choices a. A population of sharks is evolving towards the average body size; small sharks fall prey to killer whales, large sharks can't get…
6) Provide an example of a well known group (taxonomic) name that has been rendered non-monophyletic via phylogenetic classification methods. You may find it useful to include a tree in your answer.