Concepts of Biology 1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: Samantha Fowler, Rebecca Roush, James Wise
1 Introduction To Biology 2 Chemistry Of Life 3 Cell Structure And Function 4 How Cells Obtain Energy 5 Photosynthesis 6 Reproduction At The Cellular Level 7 The Cellular Basis Of Inheritance 8 Patterns Of Inheritance 9 Molecular Biology 10 Biotechnology 11 Evolution And Its Processes 12 Diversity Of Life 13 Diversity Of Microbes, Fungi, And Protists 14 Diversity Of Plants 15 Diversity Of Animals 16 The Body's System 17 The Immune System And Disease 18 Animal Reproduction And Development 19 Population And Community Ecology 20 Ecosystems And The Biosphere 21 Conservation And Biodiversity Chapter11: Evolution And Its Processes
Chapter Questions Section: Chapter Questions
Problem 1ACQ: Figure 11.7 Do you think genetic drift would happen more quickly on an island or on the mainland? Problem 2RQ: Which scientific concept did Charles Darwin and Alfred Wallace independently discover? a. mutation... Problem 3RQ: Which of the following situations will lead to natural selection? a. The seeds of two plants land... Problem 4RQ: What is the difference between micro- and macroevolution? a. Microevolution describes the evolution... Problem 5RQ: Population genetics is the study of ________. a. how allele frequencies in a population change over... Problem 6RQ: Galapagos medium ground finches are found on Santa Cruz and San Cristóbal islands, which are... Problem 7RQ: In which of the following pairs do both evolutionary processes introduce new genetic variation into... Problem 8RQ: The wing of a bird and the arm of a human are examples of ______. a. vestigial structures b.... Problem 9RQ: The fact that DNA sequences are more similar in more closely related organisms is evidence of what?... Problem 10RQ: Which situation would most likely lead to allopatric speciation? a. A flood causes the formation of... Problem 11RQ: What is the main difference between dispersal and vicariance? a. One leads to allopatric speciation,... Problem 12RQ: Which variable increases the likelihood of allopatric speciation taking place more quickly? a. lower... Problem 13RQ: The word “theory” in theory of evolution is best replaced by______. a. fact b. hypothesis c. idea d.... Problem 14RQ: Why are alternative scientific theories to evolution not taught in public school? a. more theories... Problem 15CTQ: If a person scatters a handful of plant seeds from one species in an area, how would natural... Problem 16CTQ: Explain the Hardy-Weinberg principle of equilibrium. Problem 17CTQ: Describe natural selection and give an example of natural selection at work in a population. Problem 18CTQ: Why do scientists consider vestigial structures evidence for evolution? Problem 19CTQ: Why do island chains provide ideal conditions for adaptive radiation to occur? Problem 20CTQ: Two species of fish had recently undergone sympatric speciation. The males of each species had a... Problem 21CTQ: How does the scientific meaning of “theory” differ from the common, everyday meaning of the word? Problem 22CTQ: Explain why the statement that a monkey is more evolved than a mouse is incorrect. Problem 7RQ: In which of the following pairs do both evolutionary processes introduce new genetic variation into...
Concept explainers
What must be present in a population for natural selection to act on?
Abundant resources
A large population size
Genetic variation
Definition Definition Genetic variation refers to the differences in DNA sequence among individuals of the same species. These variations can occur due to mutations, genetic recombination, and natural selection. Genetic variation plays an important role in evolution, as it allows for the selection of traits that enhance the survival and reproduction of organisms in changing environments.
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