Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
6th Edition
ISBN: 9780134555430
Author: Colleen Belk, Virginia Borden Maier
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 12LTB
Which of the following is not consistent with evolutionary theory?
- All living organisms share a common ancestor;
- The environment affects which organism survives to reproduce;
- Natural selection always favors the same traits, regardless of environment;
- Humans are not necessarily the best adapted organisms.
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Which of the following BEST describes the theory of natural selection?
Living organisms change over time.
Each species produces many more offspring than can survive long enough to reproduce. The offspring that do survive contain genes that are inherited from the parents.
There is variation among the members of a species. Some of this variation is genetically determined and so can be passed on to future generations.
Some individuals have genes that increase their chances for survival and reproduction. These individuals are more likely to reproduce and pass on their genes, causing their genes to become more common in the next generation.
There is a struggle for existence among the members of a population.
Which of the following statements about evolution is incorrect?
Evolution occurs through natural selection
Evolution is a gradual process that occurs over time in populations.
Evolution is a goal-oriented process that aims to create perfect organisms designed to handle what the future
environment might throw at it.
Evolution is influenced by genetic variation within populations
In order for natural selection to occur, organisms must (select all that apply)
have a variation that can be passed from one generation to the next.
have differential reproductive success.
survive longer than another organism.
have adaptations to their environment.
Chapter 2 Solutions
Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
Ch. 2 - Prob. 1LTBCh. 2 - Prob. 2LTBCh. 2 - Add labels to the figure that follows, which...Ch. 2 - Prob. 4LTBCh. 2 - Prob. 5LTBCh. 2 - Which of the following terms is least like the...Ch. 2 - Different proteins are composed of different...Ch. 2 - Proteins may function as ___________ genetic...Ch. 2 - Prob. 9LTBCh. 2 - Eukaryotic cells differ from prokaryotic cells in...
Ch. 2 - Which of the following lists the chemical bonds...Ch. 2 - Which of the following is not consistent with...Ch. 2 - Consider a virus composed of a protein coat...Ch. 2 - Prob. 2AAATBCh. 2 - Carbon, oxygen, hydrogen, and nitrogen are common...Ch. 2 - List some alternate explanations that should be...Ch. 2 - Do some web-based research using scientifically...Ch. 2 - Prob. 1MTC
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- Which one of the following statements is true? Multiple Choice Organisms always evolve the characteristics they need to survive. Some individuals within the population must die for natural selection to occur. Darwin used molecular biology as evidence of evolution. Natural selection can only work on variation that already exists. Convergent evolution produces homologous structures.arrow_forwardEach of the following is necessary for natural selection to occur EXCEPT: there is inheritable variation among members of the population. more offspring are born than can survive. organisms must change their anatomy (body structures) during their lifetimearrow_forwardWhich of the following statements about evolution is true? Natural selection provides a population with the adaptations that it needs to survive in its environment. Specific features of the environment can generate natural selection on a trait. Evolution and natural selection are the same thing. Because it is driven by mutation, evolution by natural selection is a random process.arrow_forward
- Which of the following is NOT a component of the Theory of Evolution by Natural Selection? competition for food and space variation among species inheritance of acquired characteristics survival and reproductionarrow_forwardWhich of the following factors is NOT an important part of natural selection? limited environmental resources selective breeding of domestic plants and animals heritable variation unequal reproduction with individuals best meeting environmental demands having the most success individuals better adapted to an environment being more likely to survivearrow_forwardWhich of the following statements is an accurate representation of the five unifying themes of biology? Life depends on the transformation of energy, with all energy ultimately derived from the sun. The function of a living thing is not related to its structure. The central dogma of molecular biology describes how genetic information is inherited. Natural selection depends on the non-random process of mutation.arrow_forward
- Which of the following is a necessary condition for natural selection to occur? The environment must be constant and unchanging. All individuals in a population must have equal chances of survival There must be variation among individuals in a population All individuals in a population must have identical traitsarrow_forwardWhich of the following best explains the phrase “survival of the fittest” in terms of evolution by natural selection? The strongest and fastest individuals will always survive and reproduce more often. The individuals that are the healthiest will always get more resources and survive better. Only individuals that have the most mates will survive with limited resources. The individuals that survive better and reproduce more often will pass their traits on more often.arrow_forwardWhich of the following is the best definition of a major transition in evolution? Individuals evolve traits the help them fight off rivals Formerly independent replicating individuals form a collective that reproduces together A group of individuals evolve traits that help them individually forage better Individuals evolve traits that allow them to colonize a new environment.arrow_forward
- Natural selection is based on all of the following except individuals who survive longer tend to have more offspring than those who die young genetic variation exists within populations Individuals adapt to their environments and, thereby, evolve populations tend to produce more offspring than the environment can support the best adapted individuals tend to reproduce morearrow_forwardWhich of the following is a true statement about evolution? Mutation produces novel alleles by chance. Alleles increase or decrease in frequency because organisms need them or don't need them. Natural selection leads to random changes in allele frequency within a population. Evolutionary change leads to an accumulation of changes that occur by chance.arrow_forwardWhich of the following best describes natural selection? O It is a guess made by scientists about how life develops, but it has no hard evidence to support it. It is the idea that the strong survive and the weak die off. It is the idea that organisms with genetic traits that improve their ability to reproduce are more likely to pass those traits on to future generations. It is the idea that organisms naturally increase in complexity and intelligence with time.arrow_forward
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