Evolution Pre-Test

Front

What is an insertion/deletion mutation?

Back

A mutation where nucleotides are added (insertion) or removed (deletion) from the DNA sequence.

Front

Why is an insertion/deletion mutation worse than a substitution mutation?

Back

It causes a frameshift, affecting the entire code after the mutation.

Front

What do you call different structures with a similar function but NO common ancestor?

Back

Analogous Structure.

Front

What is extinction?

Back

The death of every member of a species.

Front

What is genetic variation?

Back

Natural differences within a species.

Front

What is a population in biological terms?

Back

A group of organisms of the same species that live in a specific geographical area.

Front

What is natural selection?

Back

The process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is a homologous structure?

Back

Structures in different species that are similar due to shared ancestry.

Front

What is a vestigial structure?

Back

A structure that has lost most or all of its original function through evolution.

Front

What is biological diversity?

Back

The variety of life in the world or in a particular habitat or ecosystem.