CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Chapter 19, Problem 1CC

Connecting the Concepts

1. In the primate phylogenetic tree below, fill in groups (a)–(e). Of the groups, which are anthropoids and which are apes?

Chapter 19, Problem 1CC, Connecting the Concepts 1. In the primate phylogenetic tree below, fill in groups (a)(e). Of the

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Summary Introduction

To complete: The primate phylogenic tree (containing apes and anthropoids).

Introduction:

Primates are evolved about 65 million years ago. The characters of primates include limber joints, grasping hands and feet with flexible digits, a short snout, and forward-pointing eyes. Living primates are lorises, bush babies, and lemurs; the tarsiers; and anthropoids (monkeys and apes).

All primates are anthropoids: gibbons, orangutans, gorillas, monkeys, chimpanzees, and humans, but humans and chimpanzees are apes. Apes have larger brains than other primates, which include gibbons, orangutans, gorillas, chimpanzees, and humans.

Answer to Problem 1CC

Fig. 1 represents various groups of the primate phylogenic tree.

Pictorial representation: A phylogenetic tree showing various groups of primates is given in Fig. 1.

CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS, Chapter 19, Problem 1CC

Fig.1: The primate phylogenic tree.

Explanation of Solution

(a)

Correct answer: Old world monkeys.

Old world monkeys are primates that belong to the super family Cercopithecoidea. Old world monkeys have tails. Hence, the correct answer is old world monkeys.

(b)

Correct answer: Gibbons.

Gibbons are the small, arboreal apes. They are distributed in the wild, in the tropical and subtropical forests of Southeast Asia. Hence the correct answer is gibbons.

(c)

Correct answer: Orangutans.

Orangutans are great apes, and they are closely related to humans. Hence, the correct answer is orangutans.

(d)

Correct answer: Gorillas.

Gorillas are ground-dwelling, herbivorous apes. They live mostly in the forests of central Sub-Saharan Africa. They show many human-like behaviors and emotions, (laughter and sadness). Hence, the correct answer is gorillas.

(e)

Correct answer: Chimpanzees.

Chimpanzees are the species of apes that are most closely related to humans. Chimpanzees are found in tropical forests and savannas of equatorial Africa. Hence, the correct answer is chimpanzees.

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1. We typically use molecular data (DNA sequences, amino acid sequences) to determine the phylogenetic relationships between different organisms. We then map onto that phylogeny the traits that the terminal taxa have and infer WHEN those traits arose. The table gives data for the presence (1) or absence (0) of traits found in primates. Traits Tarsier New World monkeys Old World monkeys 98 Gibbons Orangutans Great apes Anthropoids Late Cretaceous Apes 65 56 Paleocene Eocene Oligocene a. List the character states for the terminal nodes of the tree. Then MARK where on the tree those traits most likely arose. Opposable to es 1 1 34 1 1 1 1 Tarsiers New World monkeys Old World monkeys Gibbons Orangutans African apes and humans Miocene Opposable thumb Prehensile tail Appendix 0 0 0 1 1 1 5.3 2.6 0 1 1 1 1 1 LPleistocene -Pliocene 0 1 1 0 0 0 b. What are you assuming when you infer the node when the trait evolved?
(a) How do you describe the data from the amino acid sequence to anatomical features provided in the cladogram? Are they generally associated with one another? (b) do you agree that the more differences in amino acid sequence, the more closely related organisms are, if yes does that mean they shall be group under the same biological classification? (c) in the molecular data provided, describe how human and rhesus monkey relate with one another (d) why do you think 30 and chicken are different species despite the fact that they have the same sequence of amino acids for cytochrome c protein? help plssss, thank u! thank u!
3. The table below lists four characteristics of the shrimp, silverfish, dragonfly, beetle, and butterfly. For each animal, (+) indicates that the character is present and (-) indicates the character is absent. Character Shrimp Silverfish Dragonfly Beetle Butterfly (В) (OG) (A) (C) (D) 3-pairs legs Wings Pupa Sucking mouthparts - + + + + A) Evaluate the three phylogenetic trees below by mapping the four characters onto each tree. Be sure to use the labels indicated by the key. Tree I Tree II Tree II OG OG OG A A В B A В W: wings (-)→ (+) W: wings L: 3 pairs legs (-)→(+) (+)→(-) Р: pupa (-)—> (+) SM: sucking mouthparts (-)→ (+)
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