The first three biology presentations explain the concept of irreducible complexity and give several examples of irreducibly complex molecular machines found in living things.
Because of the important role they are supposed to play in the process of evolution, it is important to understand mutations. But first, a review is provided to clarify the difference between DNA, Chromosomes, and Genes.
Many people throughout history, including Charles Darwin, have been concerned about the apparent discrepancy between a loving God and the suffering we see in the world around us. This three-part series tackles this question using dramatic examples of parasites found in nature.
This presentation is designed to help teachers using the ByDesign textbook (Grade 8, lesson 3) with the Explore-a-Lab on page 42.