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- The offspring of better-adapted individuals are expected to make up a larger proportion of the next generation. Which mechanism of evolution best explains this event? Group of answer choices gene flow and genetic drift mutations and genetic drift mutations and nonrandom mating mutations and natural selectionDarwin believed in Natural Selection as the major explanation for evolution. Explain how the following organisms’ interactions contribute to this theory. 1. How did organisms Have Heritable Variation help with his theory? 2. How did Organisms Compete for Resources help with his theory?What causes variation among a population of living things and How can variation in one generation influence the next generation? Is the variation in a population will be examined as the “raw material” upon which natural selection acts. Why are there so many different kinds of living things? Comparing species that exist today reveals a lot about their relationships to one another and provides evidence of common origins. This session explores the theory of evolution: change in species over time.
- Darwin observed that all organisms show variation. Is there any population of organisms that is an exception?Systematics and Evolution Would natural selection work better on a large population or a small population? ( Consider the effects of genetic drift )Charles Darwin, brn in England,postulated natural selection, he assorted that only the strongest and fittest will survive and this he called natural selection . His theory was that the weaker species will eventually die and the strongest species will survive. Relate this theory to one from the 19th or 20th century.
- Alfred Russel Wallace and Charles Darwin argued that evolution by means of natural selection involves all of the following steps except: a. variation is present in all species b. species can produce more offspring than the environment can sustain c. all individuals within a species have equal chances to improve their fitness d. those individuals that are more fit will survive and reproduce in the greatest numbers e. over time, the species will evolve as the more fit individuals replace the less fit individualsDarwin proposed natural selection as a mechanism for evolution. How is it similar to artificial selection? How is it different?For natural selection to work, there must be genetic variation within a population as well as mutations? Why must there be both?In your own words, how does Genetic Variation support natural selection? Use at least 1 example from the Beaks of Finches lab in your answer.
- Which is NOT a component of evolution by natural selection? Group of answer choices Organisms compete for resources. Organisms adapt due to environmental changes. Species are fixed. Individuals have different reproductive success.Which of the following is NOT an essential component of Darwin's theory of natural selection? a) natural selection results in a population that is adapted to its environment b) use or disuse of a structure causes changes that are passed onto the next generation c) more offspring are produced than the environment can support d)heritable variation exists in populationswhat has to happen successfully for evolution by natural selection to take place? a. Mutation b. Reproduction c. Migration d. Genetic drift