Natural Selection

How do you "win" at natural selection?

• Survive and Reproduce

• go extinct

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Which term refers to an organism's ability to survive and produce viable offspring?

• Adaptation
• Fitness
• Speciation
• Variation

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What do all living things have in common?

• nucleic acids (DNA and RNA) and proteins

• DNA and RNA only

• proteins only

• DNA only

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Why is sexual reproduction better for evolution than asexual reproduction?

• when there are 2 parents, the babies are better protected

• when there are 2 parents, there is more genetic variety

• asexual reproduction only creates 1 offspring

• when there are 2 parents, there are more genotypes and phenotypes

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Which of these is an example of natural selection?

• The largest animal in a population will have more opportunities for reproduction.
• Several species of organisms work together so that they all succeed.
• One species takes all the resources in an environment leaving none for others.
• Organism that are best suited to an environment tend to survive and reproduce more often.

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In natural selection, what does the selecting?

• phenotype

• environment

• alleles

• genotype

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In artificial selection, what does the selecting?

• humans

• environment

• alleles

• genotype

What is another name for natural selection?

• survival of the smartest
• survival of the fastest
• survival of the biggest
• survival of the fittest

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This is a process in which organisms gradually change over time.

• Environment
• Competition
• Evolution
• Fossils

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Which of the following is NOT an example of natural selection? 

• People selectively breeding hamsters.
• Insect populations developing resistance to certain pesticides.
• Bacteria becoming resistant to antibiotics.
• Male birds of certain species developing colorful feathers to attract female mates.

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