Biology: Concepts and Applications (MindTap Course List)
10th Edition
ISBN: 9781305967335
Author: Cecie Starr, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 17, Problem 2SA
Summary Introduction
Introduction:
Evolution refers to the natural phenomenon in which living organisms modify and evolve themselves according to their needs and changing environment. Evolution in a proper manner helps the species to continue in the living world by giving better survival chances.
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Check out a sample textbook solutionStudents have asked these similar questions
Which of the four evolutionary mechanisms make a population better adapted to its environment?
A. Migration
B. Genetic drift
C. Mutations
D. Natural selection. 
Which one of the four forces of evolution has the smallest effect on changing allele frequencies?
a.
Drift
b.
Gene flow
c.
Mutation
d.
Selection
Which of the forces is the ONLY way that new genetic diversity can be produced in a species?
A.
Mutation
B.
Gene Flow
C.
Natural Selection
D.
Genetic Drift
Chapter 17 Solutions
Biology: Concepts and Applications (MindTap Course List)
Ch. 17 - _________is the original source of new alleles. a....Ch. 17 - Prob. 2SACh. 17 - Match the modes of natural selection with their...Ch. 17 - Prob. 4SACh. 17 - The persistence of the sickle allele at high...Ch. 17 - Prob. 6SACh. 17 - Prob. 7SACh. 17 - Which of the following is not part of how we...Ch. 17 - Prob. 9SACh. 17 - Prob. 10SA
Ch. 17 - Prob. 11SACh. 17 - Prob. 12SACh. 17 - In evolutionary trees, each node represents an...Ch. 17 - Match the evolutionary concepts. ____gene flow a....Ch. 17 - The evolution of wings helped the insect clade to...Ch. 17 - Species have traditionally been characterized as...Ch. 17 - Rama the cama, a llama-camel hybrid, was born in...Ch. 17 - Two species of antelope, one from Africa, the...Ch. 17 - Prob. 4CT
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- What is the term for organisms producing different phenotypes due to differences in the environment? a. Genetic variation b. Additive variation c. Phenotypic plasticity d. Reaction normarrow_forwardWhich is required for a population to evolve?a. genetic diversity c. gene flowb. selection pressure d. none of the abovearrow_forwardwhat has to happen successfully for evolution by natural selection to take place? a. Mutation b. Reproduction c. Migration d. Genetic driftarrow_forward
- What is an example of neutral evolution in humans? A. Eye Color B. Skin Color C. Blood Types D. Humans do not have any traits that undergo neutral evolutionarrow_forwardWhich term can most accurately be used to describe evolutionary change that leads to speciation? A. microevolution b. macroevolution c. sexual selection d. natural selection e. reproductive isolationarrow_forwardWhich claim about natural selection is not true? A. Directional selection decreases genetic diversity within a population B. Balancing selection (heterozygote advantage) maintains genetic diversity within a population C. Negative Frequency-Dependent selection maintains genetic diversity within a population D. Natural Selection always has a greater evolutionary effect in small populations than it does in large populationsarrow_forward
- Biology Which of the following is NOT a requirement of natural selection? a. non-random mutations b. variation is heritable c. variation within a population d. non-random survival and reproduction Which person has the greatest fitness? a. 65-year old man with 3 children and 2 grandchildren b. 35-year-old man with 3 children c. 70-year-old woman with 3 children, 10 grandchildren, and 2 great grandchild d. 100-year-old woman with 4 childrenarrow_forwardWhat kind of trait is important to cladistics? a. shared derived traits b. shared ancestral traits c. analogous traits d. parsimonious traitsarrow_forwardAfter a highway is destroyed by an earthquake, two formerly isolated populations of deer can now interbreed. This is an example of what? A. Mutations B. Natural Selection C. Non Random Mating D. Gene Flowarrow_forward
- Humans are able to cause organisms to evolve through whichmechanism?a. artificial selectionb. natural selectionc. fitnessd. paleontologye. uniformitarianismarrow_forwardWhat does the term evolution mean? A. The characteristics of species become more complex over time. B. The strongest individuals produce the most offspring. C. The characteristics of an individual change through the course of its life, in response to natural selection. D. The characteristics of populations change through time.arrow_forwardWhat does “descent with modification” mean?a. Populations that change quickly are likely to become extinct.b. Inherited traits change from generation to generation.c. Tracing an evolutionary tree from top to bottom reveals changes inspecies diversity.d. Parents change their own features before passing them on to offspring.arrow_forward
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