After reading this chapter and analyzing the content, it is assumed that you can: - Be able to summarize Lamarck's concept of the evolutionary process and explain why his concept is not widely accepted today.
- Explain how "uniformitarianism" influenced Darwin's evolutionary theory.
- Explain how Darwin's voyage on the Beagle helped to shape Darwin's ideas on evolution of organisms.
- Explain how Malthus's essay solidified Darwin's idea that natural selection was the mechanism that allowed organisms to evolve.
- Explain the relationship between ontogeny and phylogeny through the eyes of modern evolutionists.
- Differentiate between the vicariant and founder–event modes of allopatric speciation.
- List and describe reproductive barriers and explain how premating and postmating barriers are different.
- Explain what conditions could result in sympatric and parapatric speciation.
- Explain Darwin's theory of gradualism.
- Explain the theory of punctuated equilibrium and describe the observation that led Darwin to this theory.
- Outline the observations and inferences of Darwin's theory of natural selection.
- Identify some criticisms to Darwin's theory of natural selection and explain how they may be refuted.
- Explain how a population in Hardy–Weinburg equilibrium would retain its recessive alleles from generation to generation.
- Be able to calculate the phenotypic distribution of individuals within a Hardy–Weinburg population.
- List the factors that would allow a population to deviate from the Hardy–Weinberg equilibrium.
- Explain genetic drift.
- Explain how the interaction between genetic drift and natural selection might act on a population.
- Discern between microevolution and macroevolution.
- Describe some evolutionary processes evident in macroevolution.
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