BIOE 109 Summer 2009 Lecture 12- Part II The Cambrian explosion.
Ecology and Evolution Zoology. I. Measuring Earth’s age A. radiometric dating 1. calculation of the age of an object by measuring the proportions of the.
Animal Origins
I. I.Biodiversity – Definitions and Assessment A. A.Definitions 2. 2.Components of Biodiversity The term “biodiversity” often is used incorrectly or incompletely.
The Theory of Evolution
