which of the following is true of natural selection? A.) it leads to perfection B.) it is random C.) it leads to the evolution of individuals D.) it acts on populations
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Which of the following is not true of natural selection? (a) natural selection acts to preserve favorable traits and eliminate unfavorable traits (b) the offspring of individuals that are better adapted to the environment will make up a larger proportion of the next generation (c) natural selection directs the course of evolution by preserving the traits acquired during an individual's lifetime (d) natural selection acts on a population's genetic variability, which arises through mutation (e) natural selection may result in changes in allele frequencies in a population
Which statements about natural selection are true? A. it always results in adaptations perfectly suited for the environment B. Select traits that are not currently fit, but could be in the future C. act on individuals, not species D. is a random process E. increases mean fitness of the population
Rabeya Z.
Some aspects of evolution by natural selection are frequently misunderstood by Biology students and the public in general. In particular, natural selection must be understood as a process driven by the conditions the population has experienced up until the present. It cannot anticipate the future and is not driven toward some predetermined goal, such as perfection or higher complexity. Which of the following statements is the best summary of what natural selection is? Populations evolve traits by natural selection that will be useful for future environmental changes. Individuals who are most fit will survive. Heritable traits that promote survival and reproduction become more frequent in species from one generation to the next. Organisms evolve in order to become better adapted to the environment.
Lainey R.
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