Define biodiversity and explain how it is most commonly measured. Now consider the various ways to define a species (i.e., species concepts) covered in the readings and explain how current estimates of biodiversity might change depending on the species concept used.Post responses to each of the Discussion questions by creating […]

Compare and contrast the Out of Africa (replacement) hypothesis of modern human origins with the Multiregional (continuity) hypothesis. Describe the main points of each as presented in the textbook. What does each say about the where and when of the origins of modern humans? What does the fossil evidence say? […]

1.A drug impairs oxyegen consumption on liver mitochondria at a buffer of 7.4pH, Mg, and adp. It inhibits O2 uptake if isocitrate, 2-ketoglutarate and malate were substrates, but it will NOT is succinate is a substrate. Where’s the site of inhibiiton: ATP synthase, malate dehydrogenase, Complex I, II, or III […]

Genes can be affected by conditions surrounding them. Often the response to these conditions takes time. In this week’s discussion, talk about the following: Search the literature and/or WEB sites to find an example of evolutionary change in an animal, insect or plant. Discuss what the change was and what […]