BIO 14_Lec I_Role of Evolution in Unity and Diversity

[2] basis of unity in life

Diversity of life arises from ____

process of change that has transformed life on Earth from its earliest beginnings to the diversity of organisms living today.

Shows pattern of ancestry

On the Origin of Species by Means of Natural Selection Author

Species living today descended from ancestral species.

mechanism for evolution

Marked by new population, new species, new genus

Two observations inferred by natural selection

Individuals in a population vary in their traits, many of which are passed on from parents to offspring