Evolution Unit Review

Front

What does maximum parsimony in phylogenetic trees mean?

Back

The simpler your phylogenetic tree, the better.

Front

What is the term for the changes of species over time?

Back

Evolution.

Front

How long ago was the common ancestor of the European Brown Bear and the Asian Brown Bear?

Back

3.5 hundreds of thousands of years ago.

Front

What theory is described by the phrase 'Survival of the Fittest'?

Back

Natural selection.

Front

What is a common ancestor?

Back

An ancestor that two or more descendants have in common.

Front

What is biological diversity?

Back

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

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 mimicry in evolutionary biology?

Back

A phenomenon where one species evolves to resemble another species for protection or other advantages.

Front

What is the law of superposition?

Back

In undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest are at the top.

Front

What is a phylogenetic tree?

Back

A diagram that represents evolutionary relationships among various biological species based on similarities and differences in their physical or genetic characteristics.