Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 11, Problem 8RQ
The wing of a bird and the arm of a human are examples of ______.
a. vestigial structures
b. molecular structures
c. homologous structures
d. analogous structures
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The fossil record shows how ________________
a. dead organisms were buried
b. organisms have changed over time and when organisms lived on Earth
c. parents of the offsprings
d. evolution occurred
Q1: Variable descriptions of a character is called a _____________.
A. Homologous character
B. Character state
C. Analogous character
D. Shared derived character
Q2: Vestigial structures are the structures that used to have functions in the past but mostly lost these functions in the present. Which of the following is NOT an example of a vestigial structure?
A. Nictitating membrane in humans
B. Appendix in humans
C. Femur in humans
D. Coccyx in humans
Q3: According to Wallace and Darwin, for new individuals to emerge, a group of individuals must become?
A. Reproductively crossed among other organisms
B. Geographically isolated from the rest of the original population
C. Embryologically different from the rest of other organisms
D Reproductively isolated from the rest of the original population
1)The wings of an insect and bird have similar structures and purposes, but different ancestors; therefore, the wings of both are ______ structures. *
A. Homologous
B. Analogous
C. Identical
D. Vestigial
Chapter 11 Solutions
Concepts of Biology
Ch. 11 - Figure 11.7 Do you think genetic drift would...Ch. 11 - Which scientific concept did Charles Darwin and...Ch. 11 - Which of the following situations will lead to...Ch. 11 - What is the difference between micro- and...Ch. 11 - Population genetics is the study of ________. a....Ch. 11 - Galapagos medium ground finches are found on Santa...Ch. 11 - In which of the following pairs do both...Ch. 11 - The wing of a bird and the arm of a human are...Ch. 11 - The fact that DNA sequences are more similar in...Ch. 11 - Which situation would most likely lead to...
Ch. 11 - What is the main difference between dispersal and...Ch. 11 - Which variable increases the likelihood of...Ch. 11 - The word “theory” in theory of evolution is best...Ch. 11 - Why are alternative scientific theories to...Ch. 11 - If a person scatters a handful of plant seeds from...Ch. 11 - Explain the Hardy-Weinberg principle of...Ch. 11 - Describe natural selection and give an example of...Ch. 11 - Why do scientists consider vestigial structures...Ch. 11 - Why do island chains provide ideal conditions for...Ch. 11 - Two species of fish had recently undergone...Ch. 11 - How does the scientific meaning of “theory” differ...Ch. 11 - Explain why the statement that a monkey is more...
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