BIOLOGY:LIFE ON EARTH-W/ACCESS
11th Edition
ISBN: 9780134669076
Author: Audesirk
Publisher: PEARSON
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Chapter 25, Problem 1RQ
Briefly describe each of the following adaptations, and explain the adaptive significance of each: vertebral column, jaws, limbs, amniotic egg, feathers, placenta.
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Compare and contrast the characteristics of amniotes, mammals, primates, early human ancestors and the genus Homo.
Describe four shared derived characters of vertebrates.
a) Which of the derived traits came into existence before the bony shell?
b) List all the derived characters in the table that would have been present in the ancestor to gorillas, wolves and humans.
Chapter 25 Solutions
BIOLOGY:LIFE ON EARTH-W/ACCESS
Ch. 25 - The two groups of mammals with the largest number...Ch. 25 - More than half of all vertebrate species are a....Ch. 25 - 3. Which of the following is not a characteristic...Ch. 25 -
4. Adult frogs and toads obtain oxygen...Ch. 25 -
5. Hagfishes
a. are predators of live...Ch. 25 - In chordates, the nerve cord is ________ and runs...Ch. 25 - Animals that are chordates but not vertebrates...Ch. 25 - Prob. 3FTBCh. 25 - Among tetrapod groups, hair is found in; the skin...Ch. 25 - The only mammals that lay eggs are. The only...
Ch. 25 -
1. Briefly describe each of the following...Ch. 25 - Prob. 2RQCh. 25 - List four distinguishing features of chordates.Ch. 25 - Describe the ways in which amphibians are adapted...Ch. 25 - 5. List the adaptations that distinguish reptiles...Ch. 25 - List the adaptations of birds that contribute to...Ch. 25 - 7. How do mammals differ from birds, and what...Ch. 25 - Prob. 1ACCh. 25 - Prob. 2AC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- In what ways do the genera Australopithecus and Homo differ?arrow_forwarda) Which of the derived traits came into existence before the bony shell? Explain. b) List all the derived characters in the table that would have been present in the ancestor to gorillas, wolves and humans. Explain.arrow_forwardWhat is present on the feet of birds which provides more evidence for their evolution from reptiles and dinosaurs?arrow_forward
- What can be inferred about the evolution of the cranium and the vertebral column from examining hagfishes and lampreys?arrow_forwardIdentify and explain the type of natural selection that accounts for the evolution of the hollow bones of birds, which make flight possiblearrow_forwardDescribe the aboreal adaptation of nonhuman primates and include specific anatomical characteristics ( mention at least three adaptations). do humans exhibit these anatomical characteritics? Explainarrow_forward
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