Evolutionary Mechanisms Quiz

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Questions and Answers

What are the main evolutionary processes mentioned in the text?

Acquired characteristics and Lamarckism
Genetic mutation and genetic recombination
Natural selection and genetic drift (correct)
Environmental adaptation and artificial selection

Who conceived the theory of evolution by natural selection?

Alfred Russel Wallace and Jean-Baptiste Lamarck
Gregor Mendel and Jean-Baptiste Lamarck
Charles Darwin and Gregor Mendel
Charles Darwin and Alfred Russel Wallace (correct)

What observable facts support the theory of evolution by natural selection?

Stasis in populations and unlimited resources
Variation in traits and competition for resources (correct)
Inheritance of acquired traits and sudden appearance of new species
Uniformity of traits and unlimited population growth

What did the theory of evolution by natural selection aim to explain?

Why organisms are adapted to their environments (C) Signup and view all the answers

What has the process of evolution given rise to?

Biodiversity at every level of biological organisation (D) Signup and view all the answers

Which statement best describes the process of evolution?

Evolution involves the change in heritable characteristics of biological populations over successive generations. (D) Signup and view all the answers

What was the contribution of Charles Darwin and Alfred Russel Wallace to the theory of evolution by natural selection?

They independently conceived the theory of evolution by natural selection in the mid-19th century. (A) Signup and view all the answers

What observable facts support the theory of evolution by natural selection?

More offspring are often produced than can possibly survive, and traits vary among individuals with respect to their characteristics. (A) Signup and view all the answers

What is the primary role of natural selection in evolution?

Natural selection acts on genetic variation, resulting in certain characteristics becoming more or less common within a population over successive generations. (B) Signup and view all the answers