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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- Whales are divided into two groups: tooth whales, such as the orca, and baleen whales such as the humpback. Which would you predict is most closely related to the Dorudon? Explain.arrow_forwardThe appendix, which is not needed to survive, is considered to be a? a. Homology b. Vestigial Structure c. Homologous Structure d. Analogous Structurearrow_forwardWhich is true concerning how fossils are used as evidence? A. Fossils cannot be compared to one another but can be compared to living organisms. B. Fossils can be compared to one another but not to living organisms. C. Fossils cannot be compared to one another or to living organisms. D. Fossils can be compared to one another and to living organisms.arrow_forward
- Basilosaurus was a fully aquatic ancient whale species that had vestigial _____________________ which suggests a terrestrial past. knee caps feet hind limbs hip girdlearrow_forwardWhat characteristics are shared between monotremes and placental mammals but not marsupials? What would this observation lead to conclude about the order in which these animals evolved?arrow_forwardWhich features characteristic of humans are unlikely to fossilize? a. the bones and dung b. the jaws and dung c. behavioural and soft tissue features d. behavioural and hard tissue featuresarrow_forward
- Which species has the least robust brown ridges? A. Homo rudolfensis B. Homo habilis C. Australopithecus afarensis D. Homo erectusarrow_forwardScientists often use a cladogram such as the one below to illustrate evolutionary relationships. Which is the best explanation for separating reptiles from mammals?arrow_forwardWhat does hindlimb shape say about the ancestry of dolphins and other cetaceans?arrow_forward
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