Review: Evolution

What is the process in which humans breed organisms for certain traits?

• natural selection
• inheritance
• artificial selection
• descent withOUT modification

Some organisms that share a common ancestor have features that have different functions, but similar structures.  These are known as

• vestigial structures
• analogous structures
• homologous structures
• fossil structures

Who is the father of evolution?

• Darwin
• Mendel
• Newton
• Einstein

What is the study of organisms at the early stages of development?

• DNA studies
• embryology 
• extinction
• fossil record

Two organisms that are closely related would have

• very similar DNA sequences

• exactly the same DNA sequences

• very different DNA sequences

Which of the following is an example of variation?

• slight differences in beak width in a finch population
• cats having different paws from dogs
• similar arm bones in whales and humans
• zebras and skunks both having similar colors

What determines whether a large group is 2 different species or 1 species with lots of variation?

• if they mate and have fertile offspring
• how they behave
• their physical similarities
• their mutation rate

An error or mistake in the sequence of DNA that could possibly lead to a new trait is called a:

• mutation
• recombination
• single gene trait
• adaptation

The two main sources that produce all variations are:

• mutations and crossing over during meiosis
• evolution and natural selection
• genotypes and phenotypes
• adaptations and the environment

Any trait that gives an organism an advantage in its environment and can be passed on to offspring is known as a(n):

• adaptation
• recombination
• mutation
• evolution