Darwins Theory ch. 11.2 Quiz 19-20

Charles Darwin job was a ____________ a person who observes and studies the natural world.

• observationalist
• botanist
• naturalist
• chemist

The different shapes of bird beaks are examples of

• fossils
• evolution
• adaptation
• naturalism

From the evidence he collected, Darwin concluded that organisms on the Galapagos Islands had

• died off
• moved to a warmer climate
• changed over time
• never existed

In Darwin's book ________________, he proposed that evolution occurs by means of natural selection

• The Population of Species
• The Beginnings of Evolution
• The Origin of Species
• Species and Diversity

What did Darwin notice about the Galapagos Island finches that caused him to develop his theory of evolution by natural selection?

• The birds' wings were different shaped to help them fly and swim.
• The birds' feathers blended in with their environment.
• The birds' feet had extra toes to help them scratch for food.
• The birds' beaks were shaped differently. Their beaks were shaped so they could eat whatever food was available on each island.

Natural Selection results in changes in:

• the way animals move and grow.
• the shape of an organism's organs. 
• the inherited traits of a population.
• the development of new technology.

Darwin noted that plant and animal breeders would breed only the largest hogs, the fastest horses, or the cows that produced the most milk. Darwin termed this process ______________ selection.

• Natural
• Formal
• Traditional
• Artificial 

Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

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What is the process of change over time?

• evolution
• variation
• adaptation
• competition

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Evolution occurs by means of...

• natural selection
• variation
• adaptation
• competition

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