Unit 8 Study Guide

Change over time...

• Evolution
• Nucleotide 

Charles Darwin came up with this theory 

• Natural Selection
• Mutation

Darwin wrote that organisms with traits that are best suited to the environment will ________________

• increase in number
  
• become extinct
  

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.

What characteristic did Darwin observe about the finches on the Galapagos Islands?

• Their feathers 
• Genotypes 
• Their beaks
• Their body sizes

The environment around Manchester, England, changed during the Industrial Revolution.  How did this change affect peppered moths living in the area?

• Natural selection favored moths with dark wings because predators could not see them on the soot-colored trees.
• Natural selection favored moths with white wings that were easy for predators to see.
• Natural selection favored moths with white wings because predators could not see them on the soot-colored trees.
• Natural selection caused moths with white wings to become extinct.

What would indicate that a series of fossils represent evolution?

• the fossils were identical
• the fossils were found in the same layers of rock
• the fossils show similarities
• the fossils were completely different

This makes an organism more suited to its enviornment

• species
• lifespan
• adaptation
• mutation

What is the advantage of having different shaped beaks?

• To look different from other species.
• To be able to eat the food readily available in the environment.
• To protect itself against predators.
• To protect itself against prey.

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.