Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134168296
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 18, Problem 7RQ
Outline the evolution of humans from early primates. Include in your discussion such features as binocular vision, grasping hands, bipedal locomotion, toolmaking, and brain expansion.
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Draw a simple cladogram illustrating the evolutionary relationships among extant mammals (marsupials, eutherians, and monotremes). Include the following characters in your cladogram: well-developed placenta, vivipary,endothermy, marsupium, hair
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Mammals belong to a group of amniotes known as synapsids. Three major lineages of mammals had emerged by the early Cretaceous period. In a tabulated form, compare these three lineages to illustrate their diversity in terms of: a. Embryonic developmen, b. How the young are fed and c. Period of gestation
Chapter 18 Solutions
Biology: Life on Earth (11th Edition)
Ch. 18 - 1. Almost all of the oxygen gas in today’s...Ch. 18 - Extinction a. generally does not occur except...Ch. 18 - 3. In the endosymbiotic origin of the...Ch. 18 - 4. Which of the following does not list...Ch. 18 - Prob. 5MCCh. 18 - 1. Because there was no oxygen in the earliest...Ch. 18 - 2. The molecule ________ became a candidate for...Ch. 18 - 3. Complex cells that contain a nucleus and other...Ch. 18 - 4. The sperm of early land plants had to reach the...Ch. 18 - 5. Early plants that protected their seeds within...
Ch. 18 - Prob. 6FTBCh. 18 - Amphibians gave rise to ____________, which had...Ch. 18 - 1. What is the evidence that life might have...Ch. 18 - Prob. 2RQCh. 18 - 3. Explain the endosymbiont hypothesis for the...Ch. 18 - 4. Name two advantages of multicellularity for...Ch. 18 - What advantages and disadvantages would...Ch. 18 - 6. Outline the major adaptations that emerged...Ch. 18 - Outline the evolution of humans from early...Ch. 18 - Extinctions have occurred throughout the history...Ch. 18 - In biological terms, what do you think was the...
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- For this activity, you should familiarize the diverse group of vertebrates and make a phylogenetic tree showing their evolutionary relationships. This tree should be primarily based on physical characteristics, 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 TO DO: Lay all the animals on their desks and separate them into two groups using the physical characteristics above☝ The animals are on the picture.arrow_forwardWhat are your thoughts on the followig paragraph below? Understanding the classification of primates in this module helped me digest past modules' material on taxonomy. I learnt that there are differenet divisions, orders, and categories of primates. The two suborders of primates are Strepsirhini and Haplorhini. This furthered my understanding on what makes us human and what similarities and differences we share with other primates. I had heard of many of these factors before such as bipedalism and being able to use tools, but one I hadn't heard of is knucklewalking. This term refers to a way of walking on all 4s commonly used by African apes. It was truly interesting to see how closely we are related to monkeys from our behaviors, features, and mroe. An aha moment I had was learning about the number of primates that include 230 species. The way they are geographically spread was even more interesting. Apes are common in South Africa and South Asia even though these 2 places are…arrow_forwardWhat can skeletal anatomy and DNA sequences in existing primates tell us about the study of human evolution?arrow_forward
- Below is a phylogenetic tree of primates. Bush babies, lemurs, pottos Tarsiers Monkeys Gibbons Family Hylobatidae Orangutans Subfamily Ponginae Gorillas Family Hominidae Tribe Gorillini Chimpanzees Tribe Panini Subfamily Homininae ko Humans Tribe Hominini Which of the following is NOT a monophyletic group? O Gorillas, orangutans, gibbons, humans, chimpanzees O humans Gibbons, orangutans, monkeys Chimpanzees, humans Strepsirrhini Haplorrhini Anthropoidea Hominoideaarrow_forwardMammals belong to a group of amniotes known as synapsids. Three major lineages of mammals had emerged by the early Cretaceous period. In a tabulated form, compare these three lineages to illustrate their diversity in terms of: a. Embryonic development b. How the young are fed c. Period of gestationarrow_forwardList at least five evolutionary changes that occurred with birds (each one should be from a different organ system)?arrow_forward
- Discuss: How old are the oldest camel fossils shown? How has the skull changed over time? How have the teeth changed over time? How have the leg bones changed over time? Table 15.1 Fossils are used by scientists to understand how camels evolved. Table 15.1 Camel Evolution Age Paleocene 65 million years ago Eocene 54 million years ago Organism Skull and teeth Limb bones Oligocene 33 million years ago Miocene 23 million years ago Presentarrow_forwardScientists speculate or hypothesize that primates evolved to have such traits as nails, grasping hands and feet, forward-facing eyes and depth perception because of their arboreal environs as well as the need to either hunt or to find flowery plants. is this true or false?arrow_forwardGive certain primitive characters with all members of kingdom Animalia (adapted from Krempels and Lee, 2013). List five primitive characters all humans share with all other animals, but not with any other living things.arrow_forward
- Identify at least five derived traits of primatesarrow_forwardWhat characteristics do primates and rodents have in common? Which group of animals are birds more closely related to? Reptiles or Rodents? What do amphibians,reptiles,birds,rodents and primates have in common? What characteristics is unique only to birds and reptiles? Fish and primates have a common ancestor. What characteristics does this ancestor have?arrow_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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FOSSIL FRIDAY: Primate Evolution | Grades 7-10; Author: Museum of the Rockies;https://www.youtube.com/watch?v=9tVLfvm3AFk;License: Standard YouTube License, CC-BY