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Science Fundamentals: Theories, Hypotheses, and Biodiversity

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Science Fundamentals: Theories, Hypotheses, and Biodiversity

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Questions and Answers

What is the main idea of uniformitarianism?

Gradual changes in the earth's crust over time

Random and unpredictable geological events

Short-lived and violent geological events

Continuous and uniform geological processes (correct)

What is the theory of inheritance of acquired characteristics attributed to?

Alfred Russel Wallace

Jean-Baptiste Lamarck (correct)

Gregor Mendel

Charles Darwin

What is a transitional form in fossils?

A fossil that shows a completely new trait

A fossil that shows a trait that is only present in one species

A fossil that shows a trait that is no longer present in modern species

A fossil that shows an intermediate state between an ancestral trait and that of its later descendants (correct)

What is the Hardy-Weinberg principle used for?

To test for evolution or nonrandom mating Signup and view all the answers

What is the difference between allele frequency and genotype frequency?

Allele frequency is the percentage of all copies of a particular gene, while genotype frequency determines how commonly a single phenotype occurs Signup and view all the answers

What are the assumptions of the Hardy-Weinberg principle?

No natural selection, no genetic drift, no gene flow, and no mutation Signup and view all the answers

What is the primary characteristic that distinguishes a hypothesis from a theory?

The level of evidence supporting it Signup and view all the answers

What is the main difference between an ecosystem good and an ecosystem service?

A good is tangible, while a service is intangible Signup and view all the answers

What is the average ecological footprint of an American, in acres?

23.7 Signup and view all the answers

What is the primary cause of biodiversity loss, according to the lecture?

All of the above Signup and view all the answers

What is the concept that Charles Darwin is most known for?

Evolution Signup and view all the answers

What is the opposite of uniformitarianism?

Catastrophism Signup and view all the answers