Why is there such a great diversity of living organisms on

Earth?

Often times offer an explanation for this diversity of life

Example: The Creation Story in the Book of Genesis in the Bible

Religious Beliefs

An explanation: Populations of organisms change over time.

Theory of Evolution

Natural selection

the idea that living things reproduce more offspring than the ecosystem can support

Organisms with traits that give them a competitive advantage over others survive, reproduce, and pass their genes on to the next generation.

How?

Rose Planetarium New York city

Heilbrunn Cosmic Pathway

Homologous Structures

Comparative Embryology

Fossil Evidence

Fossil Evidence

Fossil Evidence

DNA Evidence

Amino acid sequence in Hemoglobin