Natural Selection

Front

What is the process called when an organism with an adaptation competes better for resources, survives longer, and passes that adaptation to its offspring?

Back

Evolution by natural selection.

Front

Who developed the theory of evolution?

Back

Charles Darwin.

Front

What is the term for the change over time in populations of related species?

Back

Biological evolution.

Front

What are body parts of organisms that are the same in structure and position but different in function called?

Back

Homologous structures.

Front

True or False: An adaptation is a variation in a trait that gives an organism an advantage in its environment.

Back

True.

Front

What is the term for the process by which species change over time through natural selection?

Back

Evolution.

Front

What are structures that have no apparent function but are remnants of structures that had a function in ancestors called?

Back

Vestigial structures.

Front

What is the term for traits that improve an organism's ability to survive and reproduce?

Back

Adaptations.

Front

What is the difference between homologous and analogous structures?

Back

Homologous structures have a common ancestry but different functions; analogous structures have different ancestries but similar functions.

Front

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

Back

Biodiversity.