Bundle: Human Biology, Loose-leaf Version, 11th + MindTap Biology, 1 term (6 months) Printed Access Card
11th Edition
ISBN: 9781305616660
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 23, Problem 7SQ
In _____________, new species of a lineage move into a wide range of habitats by way of bursts of microevolutionary events.
- a. an adaptive radiation
- b. natural selection
- c. genetic drift
- d. punctuated equilibrium
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The process in which environmental pressures result in the differential survival and reproduction of individuals of a population is called_____ . a. catastrophism c. natural selection b. evolution d. genetics
The _________________ model proposes that modern humans are the most recent morphological form in a species that has been around for nearly 2 million years.
a. Multiregional Evolution (MRE)
b. Multiple Dispersal (MD)
c. Recent African Origin (RAO)
d. Recent African Origin-HYbrid(RAO-H)
If two mouse populations do not interbreed but are found in the same area, they may form different species due to
d. Adaptive radiation
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Chapter 23 Solutions
Bundle: Human Biology, Loose-leaf Version, 11th + MindTap Biology, 1 term (6 months) Printed Access Card
Ch. 23 - Prob. 1RQCh. 23 - As shown in Figure 23.25, there is considerable...Ch. 23 - Prob. 3RQCh. 23 - Prob. 4RQCh. 23 - Prob. 5RQCh. 23 - Prob. 6RQCh. 23 - Prob. 1SQCh. 23 - The relative numbers of different genes (alleles)...Ch. 23 - A difference in survival and reproduction among...Ch. 23 - The fossil record of evolution correlates with...
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- Which of the four evolutionary mechanisms make a population better adapted to its environment? A. Migration B. Genetic drift C. Mutations D. Natural selection. arrow_forwardAccording to "The Complex Evolution of Homo sapiens", what happened to large animals in the areas where our species migrated? A.They died out soon after we migrated into their area B.We domesticated them soon after we migrated into their area C.Nothing happened to large animals when we migrated into their territories D.They increased in number soon after we migrated into their areaarrow_forward89. Natural selection can best be described as _________. A. differential survival and/or reproduction among heritable entities B. macroevolutionary change C. microevolutionary change which results in new species D. none of the above describe natural selectionarrow_forward
- A physical barrier separates a single species, causing two separate populations to form. Over time these two populations adapt to their environments. Eventually, these two populations are no longer able to successfully reproduce with each other. This is known as __________. A. Sympatric speciation B. Allopatric speciation C. Autopatric speciation D. Parapatric speciationarrow_forwardAccording to "The Complex Evolution of Homo sapiens", what happened to large animals in the areas where our species migrated? A.Nothing happened to large animals when we migrated into their territories B.They increased in number soon after we migrated into their area C.They died out soon after we migrated into their area D.We domesticated them soon after we migrated into their areaarrow_forwardThe fossil record shows that in just the last 600 million years, there have been five instances of sharp decreases in the diversity and abundance of living organisms. what are these events? a. droughts b. mass extinctions c. reversals of the earth's magnetic field d. great migrationarrow_forward
- mountain range separates a population of gorillas. After many generations, the gorillas on different sides of the mountain range cannot produce viable, fertile offspring. What has happened? a. Sympatric speciation c. Parapatric speciation b. Allopatric speciation d. Adaptive radiationarrow_forward_________ increases the similarities between the gene pools of two populations. A. natural selection B. genetic drift C. mutation D. gene flow E. population bottleneckarrow_forwardBlack-footed ferrets are an endangered weasel found in the Great Plains. If fire swept through the plains and only a few members of a population survive (lowering the gene pool) , what did they experience? a.Bottleneck Effect B.Founder Effect C.Mutation D.Natural Selectionarrow_forward
- Read the following article and answer these questions: 1. a. b. c. d. What is the main point of the article? A:evolution is an important and useful theory B:evolution is a theory that has not been proven C:we should improve crops to feed more people D:we should not tamper with nature 2. Why must farmers be careful about the pesticides they use? a. they could poison the land and harm other organisms b. they crops may die c. insects may become resistant d. so that they can produce better cropsarrow_forwardRead the following article and answer these questions: 1. a. b. c. d. What is the main point of the article? A:evolution is an important and useful theory B:evolution is a theory that has not been proven C:we should improve crops to feed more people D:we should not tamper with nature 2. Why must farmers be careful about the pesticides they use? a. they could poison the land and harm other organisms b. they crops may die c. insects may become resistant d. so that they can produce better crops 3. Why is it difficult to create a vaccine for AIDS? a. the virus is too well hidden in the body b. the virus is constantly changing c. vaccines only work on bacterial infections d. not enough research money 4. Years ago, doctors would prescribe antibiotics for many symptoms of a common cold. Today, it is much more difficult to get a prescription. Why has the medical industry changed its procedures? a. too many antibiotics can create resistant bacteria b. pharmaceutical companies…arrow_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_forward
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