EBK BIOLOGY: CONCEPTS AND APPLICATIONS
9th Edition
ISBN: 8220100477805
Author: STARR
Publisher: CENGAGE L
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Chapter 40, Problem 7SQ
Summary Introduction
Introduction:
All living organisms require energy and nutrients to grow, maintain their bodies and reproduce. These
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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
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Population genetics is the study of ________. a. how allele frequencies in a population change over time b. populations of cells in an individual c. the rate of population growth d. how genes affect embryological development
Chapter 40 Solutions
EBK BIOLOGY: CONCEPTS AND APPLICATIONS
Ch. 40 - Prob. 1SQCh. 40 - The rate at which population size grows or...Ch. 40 - Suppose 200 fish are marked and released in a...Ch. 40 - Prob. 4SQCh. 40 - For a given species, the maximum rate of increase...Ch. 40 - _______ is a density-independent factor that...Ch. 40 - Prob. 7SQCh. 40 - Prob. 8SQCh. 40 - Compared to the less developed countries, the...Ch. 40 - An increase in infant mortality will _______ a...
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- Human culture______________________. a. is learned. b. includes technology, language, religion, and gender roles c. is genetically determined. d. All of the above (A, B, and C) e. A and B onlyarrow_forwardBy sensing and responding to change, organisms keep conditions in the internal environment within ranges that cells can tolerate. This process is called________ .a. reproduction c. homeostasisb. development d. inheritancearrow_forwardWhat branch of biology deals with the genetic makeup of populations? A. cytology B. ecology C. Mendelian genetics D. population genetics E. population ecologyarrow_forward
- Fifteen randomly selected students are found to be taller than 6 feet. The researchers concluded that the average height of a student is greater than 6 feet. This is an example of_____ . a. experimental error c. a subjective opinion b. sampling error d. experimental biasarrow_forwardDarwin used the term "fitness" to refer to a. an individual's physical endurance b. an individual's ability to survive in the face of harsh conditions c. an individual's ability to reproduce d. an individual's physical strengtharrow_forwardWhich of the four evolutionary mechanisms make a population better adapted to its environment? A. Migration B. Genetic drift C. Mutations D. Natural selection. arrow_forward
- Which of these events describes a trait of the rabbit that is MOST likely passed on to future generations? A A young rabbit develops a bacterial infection and lives long enough to produce three litters. B A young rabbit constantly outruns predators and lives long enough to produce three litters. C A young rabbit survives freezing winter temperatures and digs a burrow in the spring. D A young rabbit migrates to find a better food supply and establishes a new territory.arrow_forwardThe Old Order Amish is a relatively small population of individuals found in the United States in Pennsylvania and Ohio. They are a very isolated population due to their strong religious beliefs and lifestyle that have continued for more than 200 years. They mostly select mates from within their own population, which has had significant effects on their gene pool.The effects on their gene pool is a result of a. non-random mating b. founder effect c. mutation d. bottleneck effectarrow_forwardIn the fox taming experiment, two groups of foxes are selected for breeding. What trait(s) did the scientists use for selecting which animals they would breed? There is ONE correct answer. A. Brain Size and Eyesight B. Fur Color and Hearing C. Human Tolerance and Intolerance D. Heat and Cold Tolerancearrow_forward
- The _____________ hypothesis for protein variation posits that natural selection is important in maintaining variation. a. neutral mutation b. balance c. directional d. geneticarrow_forwardThe sacrifice of the life of an individual so that the genes of relatives may be passed on is called ________. a. operant learning b. kin selection c. kinesis d. imprintingarrow_forwardMortality refers to a. the number of cases of disease per unit of population occurring over a unit of time. b. the first occurrence of menstruation. c. the number of deaths attributable to a particular cause per unit of population over a unit of time. d. the statistical likelihood of a person dying from a particular cause. Studies indicate that humans were physically active in our evolutionary past. True Falsearrow_forward
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