Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Chapter 12, Problem 15CTQ
Dolphins and fish have similar body shapes. Is this feature more likely a homologous or analogous trait?
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Chapter 12 Solutions
Concepts of Biology
Ch. 12 - Figure 12.3 In what levels are cats and dogs...Ch. 12 - Figure 12.8 Which animals in this figure belong to...Ch. 12 - What is a phylogeny a description of? a. mutations...Ch. 12 - What do scientists in the field of systematics...Ch. 12 - Which statement about the taxonomic classification...Ch. 12 - Which best describes the relationship between...Ch. 12 - Which best describes a branch point in a...Ch. 12 - Which statement about analogies is correct? a....Ch. 12 - What kind of trait is important to cladistics? a....Ch. 12 - What is true about organisms that are a part of...
Ch. 12 - Which assumption of cladistics is stated...Ch. 12 - A monophyletic group is a ______. a. phylogenetic...Ch. 12 - How does a phylogenetic tree indicate major...Ch. 12 - List the different levels of the taxonomic...Ch. 12 - Dolphins and fish have similar body shapes. Is...Ch. 12 - Describe maximum parsimony.Ch. 12 - How does a biologist determine the polarity of a...
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- The wing of a bird and the arm of a human are examples of ______. a. vestigial structures b. molecular structures c. homologous structures d. analogous structuresarrow_forwardBirds evolved from a group of bipedal dinosaurs known as theropods. True or false?arrow_forwardReferring to the tree below, which is an accurate statement about relationships? Land un World makes Chis parces Mums H aped a) A gorilla is equally related to a human and an orangutan. b) An orangutan is related to chimpanzees and orangutans but not humans. c) A gorilla is more closely related to an orangutan than a human. d) A gorilla is more closely related to a human.arrow_forward
- Did the Neanderthals and Denisovans mate with each other before their lineages died out?arrow_forwardExplain how genetic data are consistent with the possibility that only male Neanderthals interbred with our ancestors.arrow_forward"Vertebrae" would be an example of an: I) autapomorphy II) plesiomorphy III) synapomorphy IV) symplesiomorphyarrow_forward
- Both octopuses and cuttlefish have a single-lens eye. Their common ancestor also had a single-lens eye. What word describes the relationship between the octopus eye and the cuttlefish eye? a. homologous c. analogous b. vestigial d. convergentarrow_forwardIs the frog an ancestor of humans? Explain.arrow_forwardWhat does hindlimb shape say about the ancestry of dolphins and other cetaceans?arrow_forward
- What two species did early Homo sapiens live with during the end of the Pleistocene? A. Sahelanthropus tchadensis and Denisovans B. Neanderthals and Ardipithecus ramidus C. Neanderthals and Australopithecines D. Neanderthals and Denisovansarrow_forwardWhy would you expect a hybrid of Neanderthals and modern humans to have intermediate features?arrow_forwardCephalopods have complex eyes that arose separately from vertebrate eyes that are also used in vision. What's this an illustration of? A. Analogous structures B. Vestigial structures C. Homologous structures D. Missing linksarrow_forward
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