Natural Selection Brainpop

What is the name of the process in which organisms best suited to their environment survive and reproduce?

• artificial selection

• evolution

• fitness

• natural selection

• variation

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Darwin noticed that many organisms seemed well suited to

• being preserved as fossils.

• providing humans with food.

• surviving in the environment they inhabited (where they lived).

• swimming from South America to the Galapagos Islands.

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On the Galápagos Islands, Charles Darwin observed

• completely unrelated species on each of the islands.

• species exactly like those found in South America.

• somewhat similar species, with traits that suited their particular environments.

• species completely unrelated to those found in South America.

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Charles Darwin’s observation that finches of different species on the Galápagos Islands have many similar physical characteristics supports the hypothesis that these finches

• have the ability to interbreed.

• acquired traits through use and disuse.

• all eat the same type of food.

• descended from a common ancestor.

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Darwin’s theory of evolution suggests that

• species change over time.

• extinct species are not related to living species.

• different species can interbreed.

• animals that look alike are the most closely related.

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What was Charles Darwin's main contribution to science?

• he was the first person to think of the idea of evolution

• he developed the modern theory of evolution

• he refuted the modern theory of evolution

• he was the first person to actually witness animals evolving

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What is an inherited trait?

• a characteristic determined by an organism's genes

• a skill that's developed through practice

• an organism's place in the food web

• an organism's relationship to its parents

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Which of the following statements is true?

• humans evolved from chimpanzees

• chimpanzees evolved from human beings

• humans and chimpanzees both evolved from a common ancestor

• chimpanzees and humans are not closely related

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When is a trait most likely to be passed on to the next generation?

• when it serves no purpose to the organism

• when it prevents the organism from finding a mate

• when it gives the organism an abundant supply of water

• when it becomes an advantage to the organism's survival

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In what major ways were Darwin's ideas different from

Lamarck's ideas?

• Lamarck thought changes to an individual animal during its lifetime would be passed on to offspring

• Lamarck believed that environmental pressures drove evolution

• Lamarck thought that animals would not have had time to evolve in Earth's short history

• Lamarck did not believe that species could change over time