Evolution and Natural Selection

Front

What are body parts that have similar structure components but different functions called?

Back

Homologous structure

Front

What is a trait that increases an organism's chance of survival?

Back

Adaptation

Front

What are structures that seemed to once have a purpose but no longer serve a role called?

Back

Vestigial structure

Front

Who believed that evolution takes place gradually over time?

Back

Darwin and Lamarck

Front

What term describes the more offspring an organism has, the more _____________ it has?

Back

Fitness

Front

What is the process by which organisms better adapted to their environment tend to survive and produce more offspring?

Back

Natural Selection

Front

What is the term for a change in the genetic makeup of a population over time?

Back

Evolution

Front

What are structures that perform similar functions but have different evolutionary origins called?

Back

Analogous structure

Front

What is the term for the remnants of organs or structures that had a function in an early ancestor?

Back

Vestigial structure

Front

What is the term for the variety of different types of life found on Earth?

Back

Biodiversity