Darwin and Natural Selection

Which statement is true comparing natural selection and artificial selection?

• In natural selection, traits benefit humans and in artificial selection, the traits benefit the species

• In natural selection, traits benefit the species and in artificial selection, the traits benefit humans

• In natural and artificial selection, the process takes hundreds of years to occur

• In natural and artificial selection, nature determines what traits will be passed down to offspring.

The blue whale is an example of..

• Artificial Selection 

• Natural Selection

• Selective Breeding

• Mutations 

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How does embryology support the Theory of Evolution?

• It shows that they have a common ancestor because of their similarities.

•          I'm not sure.

• Animals change over time. 

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What type of evidence is represented in the picture above:

• Fossils

• Vestigial Structures

• DNA

• Homologous Structures

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The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?

• Fossil A and C are the same age
  

• Fossil B is older than fossil C

• Fossils A is older than fossil B

• Fossil D is older than fossil C

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The theory of natural selection was introduced by

• Gregor Mendel

• Sir Isaac Newton

• Charles Darwin

• Copernicus

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What is the theory of natural selection?

• The practice by which humans select plants or animals for breeding based on desired traits.

• An inherited trait that helps an organism to survive.

• Differences in traits

• individuals that are better adapted to their environment are more likely to survive and reproduce

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Which of the following best describes natural selection?

• A process where organisms better adapted to their environment tend to survive and produce more offspring.

• A method by which humans breed plants and animals for specific traits.

• A random change in the genetic makeup of an organism.

• A sudden change in the environment that causes species to evolve.

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What did Charles Darwin observe about finches on the Galápagos Islands that contributed to his theory of natural selection?

• They all had the same beak size and shape.

• They had different beak shapes depending on their diet.

• They were all the same color.

• They migrated to the islands from the mainland.

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How does natural selection lead to evolution?

• By allowing individuals with advantageous traits to reproduce more successfully.

• By causing random mutations in the DNA of organisms.

• By ensuring that all individuals in a population are identical.

• By eliminating all genetic variation in a population.

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