Pearson eText Biology: Science for Life -- Instant Access (Pearson+)
6th Edition
ISBN: 9780135214084
Author: Colleen Belk, Virginia Maier
Publisher: PEARSON+
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Chapter 12, Problem 5LTB
Summary Introduction
Introduction:
Darwinism is a theory of evolution, which states that all the species of organisms arise and develop through natural selection of inherited variations, which increases the ability to compete, survive and reproduce.
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Which of the following is the degree of an organism’s adaptation to an environment, as measured by an individual’s relative genetic contribution to future generations?
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___________ ___________ is the concept that phenomena, including various aspects of behavior (e.g., intelligence, values, morals) are governed by biological (genetic) factors; also can be viewed as the inaccurate association of various behavioral attributes with certain biological traits, such as skin color.
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Pearson eText Biology: Science for Life -- Instant Access (Pearson+)
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- True or false: Natural selection, in general, references variation in survival and reproductive success in individualsarrow_forwardMarginal fitness measures: The average fitness of an allele across different genotypes The average fitness of homozygotes The probability that an individual survives to adulthood The probability that an individual reproduces The average fitness of all individuals in the populationarrow_forwardWhich of the following definitions best describes 'biological fitness'? O a heritable trait that increases the match of an individual to its environment. competition among individuals for resources that allow them to have more offspring. O variability in the population for a trait that increases survival. the ability of an individual to produce offspring that survive and reproduce, relative to other individuals in the population. similar reproductive success among individuals in a population.arrow_forward
- The complete set of genetic information in all individuals within a population allele frequency genotype frequency gene pool relative fitnessarrow_forwardAccording to Grimes model, which characteristics (life history traits) apply to individuals in the "Competitive" strategy? Question 10 options: The offspring have a high survival rate All of these They produce relatively few offspring They are very mobile They invest very little in their offspring They have an older age of maturityarrow_forwardWhich of the following are arguments against the expression "survival of the fittest"? Choose all that apply. (1, 2, 3, or 4 could be correct) "Fittest" implies absolute fitness, when relative fitness of one genotype compared to others is more important "Fittest" makes it sound like it is about physical fitness, when whether an individual reproduces may depend on other traits "Fittest" makes it sound like an individual will be fit in all environments, when in reality the same genotype may have different fitness in different environments Reproduction is more important than survival for transmitting genetic differences to progenyarrow_forward
- Which of the following BEST describes the relationship between genotype, phenotype, traits, and the environment? O Organisms acquire traits during their lifetime that alter their phenotype. This allows individuals to better adapt to their surroundings, and to pass on their phenotypes to their offspring regardless of their genes. An organism's phenotype is largely determined by its genes, or genotype. The relationship between an organism's phenotype and its environment determines the frequency of traits in a population. O The relationship between an organism's environment and its genotype determines the type of phenotype it will develop. Phenotypes are largely determined by the environment and organisms display traits that are unrelated to their genes.arrow_forwardwhat are the key concepts of the fitness? proper explanation and diagramarrow_forwardA difference in survival and reproduction among members of a population that vary in one or more traits is called ________.arrow_forward
- True or False: "Intelligence" is a good example of a quantitative traitarrow_forwardHardy Weinberg equilibrium in a population refers to Group of answer choices equal numbers of females and males. lack of mutations affecting the observed phenotypes. equal numbers of dominant and recessive alleles. unchanging allele frequencies in successive generations. proportional numbers of each genotype.arrow_forwardWrite the survivor rate for AA and Aa genotypes (write the answer in decimal numbers, not in fractions) Survivor rate of AA= Survivor rate of Aa= Write the absolute fitness for AA and Aa genotypes (write the answer including two decimal figures) Absolute fitness (W) of AA= Absolute fitness (W) of Aa= Write the relative fitness for AA and Aa genotypes (write the answer in decimal numbers, include two decimal figures) Relative fitness (w) of AA= Relative fitness (w) of Aa= asap please.arrow_forward
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