Campbell Essential Biology with Physiology (6th Edition)
6th Edition
ISBN: 9780134711751
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 14, Problem 6SQ
Summary Introduction
Introduction: During the continental drift, different land pieces or isolated continents moved relative to each other through slow drifting. When two different continents get detached from single land mass they show resemblances in species as the species present on these continents come in contact and compete for the
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About when did the common ancestor of chimpanzees, humans, gorillas, and orangutans last exist?
a.
Between 5 and 8 million years ago
b.
Less than 5 million years ago
c.
More than 15 million years ago
d.
Between 10 and 15 million years ago
e.
Between 8 and 10 million years ago
Which evolutionary pattern is represented by the similarities between these two organisms that live on separate continents?
a.) coevolution
b.) convergent evolution
c.) directional evolution
d.) divergent evolution
which term describes any ancient remains, impressions, or traces of an organism or traces of its activity that have been preserved in rocks or other mineral deposits in Earth’s crust?
a.
analogous feature
b.
homologous feature
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mutation
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fossil
Chapter 14 Solutions
Campbell Essential Biology with Physiology (6th Edition)
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- Through _______, a body part of an ancestor is modified differently in different lines of descent. a. homologous evolution c. adaptive divergence b. morphological convergence d. morphological divergencearrow_forwardThe 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_forwardWhich assumption of cladistics is stated incorrectly? a. Living things are related by descent from a common ancestor. b. Speciation can produce one, two, or three new species. c. Traits change from one state to another. d. The polarity of a character state change can be determined.arrow_forward
- Whales and dolphins evolved from land mammals. Their front legs have become fin-like structures called flukes which help them swim. The similarity in form and function of the flukes of whales and the fins of fishes is an example of...? Group of answer choices a. convergent evoluton b. homology c. neitherarrow_forwardOne type of fish fossil is found only in a rock layer near the bottom of a canyon, while a different kind of fish fossil is found only in a rock layer 4,000 feet higher, near the top of the canyon. Which statement would a scientist most likely offer to explain this situation? A.) The fish in the lower layer lived in the deep sea. While the other fish lived in shallow water. B.) The fish in the upper layer lived a healthier life than the other fish. C.) The rock in the lower layer is denser than the rock in the upper layer D.) The rock in the upper layer must have formed in freshwater E.) The fish in the upper layer lived more recently than the other fish. The Geologic Time Scale is a systematic chronological dating process that relates geological strata to time. This methodology is commonly used be geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events that once occurred in history. Which of the following statements can be…arrow_forwardUsing the phylogeny, which statement best explains the evolutionary relationship of birds and bats? A. C is an example of divergent evolution shows a common ancestor. B. C is an example of convergent evolution does not show a common ancestor. C. A and B are examples of analogous structures derived from a common ancestor. D. A and B are examples of homologous structures that are not derived from a common ancestor.arrow_forward
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