Evolution Exam Practice Q

What is evolution?

• A change in the genetic make-up of a species over time.

• The process of species remaining the same over time.

• The idea that species are created independently.

• A sudden change in a species' environment.

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Who is credited with explaining the mechanism of evolution?

• Charles Darwin

• Albert Einstein

• Isaac Newton

• Gregor Mendel

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Did Charles Darwin come up with the idea of evolution?

• No, many naturalists before Darwin had observed that species change.

• Yes, he was the first to think of it.

• No, it was first thought of in the 20th century.

• Yes, he discovered it in the 18th century.

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What did the discovery of fossils indicate before Darwin's theory?

• New species were being created

• Species that no longer existed

• The Earth was flat

• Plants were evolving into animals

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What evidence supported the idea of evolution before Darwin?

• New advances in geology

• Discoveries in astronomy

• Developments in chemistry

• Innovations in physics

How old is the Earth according to geological evidence?

• 3.5 Billion Years

• 4.5 Billion Years

• 5.5 Billion Years

• 6.5 Billion Years

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Who proposed the idea that organisms respond to changes in their environment by developing new organs or changing the structure and function of old organs?

• Jean Baptiste de Lamarck

• Charles Darwin

• Gregor Mendel

• Alfred Russel Wallace

What did Jean Baptiste de Lamarck believe about acquired characteristics?

• They are passed on to the organism's offspring.

• They are lost in the next generation.

• They have no effect on evolution.

• They are only temporary changes.

According to Lamarck's theory, what happens when a giraffe stretches its neck to reach leaves?

• The giraffe's neck becomes shorter.

• The giraffe's offspring will have longer necks.

• The giraffe's neck remains the same.

• The giraffe's offspring will have shorter necks.

Why is Lamarck's theory about giraffes not true?

• Because acquired traits cannot be inherited.

• Because giraffes do not eat leaves.

• Because giraffes do not stretch their necks.

• Because all giraffes have the same neck length.