1. The clade that includes the common ancestor to the Chordata clade and all the Chordata lineages within that clade represents a. Monophyletic clade b. Divergent evolution of the group c. Homologous traits. d.All of the above
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Clade is defined as the group of individuals and their single common ancestor.
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- 28. these are major evolutionary transformations in animals, except a. tube within a tube plan b. eucoelomate body plan c. asymmetry d. multicellularity6. Organisms classified as “birds” share a common feature. What shared derived character defined this taxonomic group? 7. What feature is present in all animals but is not present in birds and reptiles? 8. Reptiles, birds, and mammals are amniotes. I’m addition to an amniotic egg, the common ancestor of all reptiles, birds, and mammals had a thick epidermal layer of scales partially composed of a protein called keratin. Keratinized skin helps prevent water loss in terrestrial environment. A. what type (or form) of Keratinized epidermal structure represents the ancestral character state of all reptiles, birds, and mammals?1. Which of the following would best determine whether two flower species share a recent common ancestor? A. Biogeographical evidence B. Fossil evidence C. Molecular Biology evidence D. Structural Evidences 2. What best describes the tonsils seen in humans? A. Analogous structures B. Vestigial structures 3. What best describes the relationship between the wing of bats and birds? C. Homologous structures D. Fossil Structures Bats A. Analogous structures B. Vestigial structures C. Homologous structures D. D. Fossil Structures Birds 4. How do fossils support evolution? A. The fossil record provide evidence that organisms have changed over time. B. Individual species disappear and reappear in the fossil record over time. C. Organisms in the fossil record are identical to living organisms. D. The fossil record provides evidences that all organisms developed at the same time. 5. Observe the following amino acid sequence in different primates compared to human amino acid sequence. Which of…
- 1. Difference in the beaks of finches found in Galapagos Island compared to those that are found in mainland. * a. biogeography b.fossil records c.molecular biology d.structure e. embryology 2. Remnants of ancient ferns that are found in the continents of Africa and South America. a.biogeography b. fossil records c. molecular biology d.structure e. embryology1. Based on the tree below, which statement is not correct? Salamander Lizard Goat Human a. The salamander lineage is a basal taxon. b. Salamanders are a sister group to the group containing lizards, goats, and humans. c. Salamanders are as closely related to goats as to humans. d. Lizards are more closely related to salamanders than to humans.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). 2 3 Clade A 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 4.
- 1. Based on the activity what is the basis for saying that a certain organisms is less or more similar to another organism. 2. In the introduction it says "molecular data is universal", what is meant by this and why is it important in the science of systematics? 3. Figure 2 shows the phylogenetic relationship among chordates. Based on the figure, how does the ancestor of all chordates look like? 4. Based on figure 2 which organisms is most similar to Tunicates and least similar to tunicates?Derived characteristics are A. The series of apparent adaptations that are never actually used B. Less important and less informative than ancestral characteristics C. Characteristics present in only one or a few species of a group D. Anatomical features found in strepsirrhines only1. Identify traits that characterize all animals. 2. State one way that animal cells differ from the cells of plants and fungi. What is the significance of this difference? 3. State how the phylum Chordata differs from other animal phyla. 4. List three traits that evolved in invertebrate animals. 5. Describe the range of variation in the nervous systems of invertebrates. 6. Distinguish among asymmetry, radial symmetry, and bilateral symmetry.
- A shared ancestral feature is a/an select one a. symplesiomorphy b.synapomorphy c.autapomorphyIf the figure below is an accurate depiction of relatedness, then which of the following should be correct? 1. The entire tree is based on maximum parsimony. 2. If all species depicted here make up a taxon, this taxon is monophyletic. 3. The last common ancestor of species B and C occurred more recently than the last common ancestor of species D and E. 4. Species A is the direct ancestor of both species B and species C. 5. The species present at position 3 is ancestral to C, D, and E. Present В D 1. A 4 10 MYA Genetic Relatedness 3 and 4 1 and 3 1 2apd 3 Time 3,gamitangia Protectivel Embryo 2 Stomata Vasculas Tissul 3 True Leavils 3. Name a synapomorphy between hornworts and ferns Seeds 5 6 Flowers 1. Name any group of species that form a paraphyletic group. (Do not include traits) Livepruvats Club masses дутпаренть -Angiosperas Ferns Hornmorts green Algae 2. True or False. Club mosses are more closely related to Ferns than to Angiosperms. Correct the statement if it is false. 4. Name an apomorphy between Liverworts and Hornworts. Be specific into which trait belongs to what species.