Chapter 6 Test

Who is the father of evolution?

• Darwin
• Mendel
• Newton
• Einstein

What is a useless structure called?

• homologous
• vestigial
• adaptation
• variation

What is a structure that is similar across species?

• vestigial
• homologous
• adaptaion
• variation

What is a change in an organism that allows for it to survive in its environment?

• homologous
• vestigial
• variation
• adaptation

When all of the organisms of a species have died it is called

• evolution
• extinction
• adaptation
• natural selection

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

• DNA studies
• embryology 
• extinction
• fossil record

What is this an example of?

• vestigial structures
• fossil record
• homologous structures
• embryology

What is natural selection?

• Animals that have acquired traits to survive and reproduce.

• Animals who pick who they want to mate with.

• People pick the mates for the animals.

• People change the DNA of animals to make them have desired traits.

What is variation?

• Things that vary.

• Different in traits.

• Animals that are the same.

• Species that change.

why is variation important?

• It helps the animals vary

• It makes animals the same so they all can survive

• It helps so they can't get sick

• It is an advantages for animals that can help in natural selection