Myths of Evolution (ES review)

How did Earth end up with such an amazing diversity of species?

• randomly

• evolution

• humans

• science

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According to the theory of evolution, species evolved from earlier ancestral species through what process?

• fossils

• time

• natural selection

• mutations

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Evolution depends on _ variability and natural selection.

• genetic

• color

• strength

• height

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A(n) _ trait improves the ability of an individual organism to survive and to reproduce at a higher rate than other individuals.

• strong

• common

• resistant

• adaptive

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True or false: survival of the fittest means survival of the strongest.

• True

• False

Answer explanation

Fitness is a measure of reproductive success, not strength. Thus, the fittest individuals are those that leave the most descendants, not those that are physically the strongest.

True or false: Evolution does NOT explain the origin of life.

• True

• False

Answer explanation

It does not. However, it does explain how species evolved after life came into being around 3.8 billion years ago.

True or false: Humans evolved from apes or monkeys.

• True

• False

Answer explanation

Fossil and other evidence shows that humans, apes, and monkeys evolved along different paths from a common ancestor that live 5-8 million years ago.

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True or false: Evolution by natural selection is part of a grand plan in nature in which species are to become more perfectly adapted.

• True

• False

Answer explanation

There is no evidence of such a plan.

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True or false: Evolution by natural selection is accepted widely by scientific experts.

• True

• False

Answer explanation

There is often a misunderstanding of the concept of a scientific theory, which is based on extensive evidenced. Numerous polls show that evolution by natural selection is widely accepted by over 95% of biologists because it best explains the Earth's biodiversity and how populations of different species have adapted to changes in the Earth's environmental conditions over billions of year.s

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True or false: the global extinction rate is rising.

• True

• False

Answer explanation

Many scientists argue we are experiencing a new sixth mass extinction caused mostly by human activities.

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