Which of the following ideas influenced the work of Charles Darwin? 1. inheritance of acquired characteristics. 2. animals tended toward "human perfection." 3. only a fraction of any population will survive and reproduce. 4. none of the options is correct. 5. the population size of humans can only increase linearly.

Which of the following ideas influenced the work of Charles Darwin? 1. inheritance of acquired characteristics. 2. animals tended toward "human perfection." 3. only a fraction of any population will survive and reproduce. 4. none of the options is correct. 5. the population size of humans can only increase linearly.

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter17: Processes Of Evolution

Section: Chapter Questions

Problem 2SA

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The theory of evolution by Darwin is a composite theory, i.e. it has five component theories: 1. Evolution as such is the simple proposition that the characteristics of lineages of organisms change over time 2. Common descent is a radically different view of evolution than the scheme Lamarck proposed. Common descent is a concept in evolutionary biology applicable when one species is the ancestor of two or more species later in time. 3. Gradualism – Darwin’s proposition that the differences between even radically different organisms have evolved incrementally, by small steps through intermediate forms. The alternative to this theory, as discussed in later sections, is saltation with great reference to large differences that are believed to have evolved by leaps without intermediates. 4. Populational change – Darwin’s thesis that evolution occurs by changes in the proportions of individuals within a population that have different inherited characteristics. 5. Natural selection – Darwin’s…