Biology 2e
Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 27, Problem 14RQ

What type of data is primarily used to determine the existence and appearance of early animal species?

  1. molecular data
  2. fossil data
  3. morphological data
  4. embryological development data

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Match the following:                                                                                                                                 Homologous Structure           flippers of dolphins (mammals) and wings of penguins (birds)                                                                                                                                Vestigial Structure                  using energy from the sun to create tissues                                                                                                                            Producers                              evidence of past life                                                                                                                                      Analogous Structure          opposable thumb in humans and other primates…
Explain how a cladistic classification for the vertebrates produces important regroupings of the traditional vertebrate taxa (refer to Figure 23.2). Why are Agnatha and Reptilia, as traditionally recognized, inconsistent with cladistic principles?
Make a table separating the animals based on the physical properties such as: I. Presence or absence of a backbone II. Ability to breathe in air or water III. Cold or warm blooded IV. Carnivore, herbivore, or omnivore V. Presence or absence of hair/fur VI. Any other external structure such as horns After that, construct a phylogenetic tree (example is on the picture I uploaded)

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Phylogenetic Mysteries: Crash Course Zoology #12; Author: CrashCourse;https://www.youtube.com/watch?v=cVaw7nF72Aw;License: Standard youtube license