1. List the characteristics of the phylum chordata. Compare and contrast the three subphyla of the chordates. 2. Explain why the evolution of jaws around the mouth was a critical innovation in vertebrate evolution. 3. Although amphibians were the first animals to move onto dry land, they were still dependent […]

Assignment Description & General Instructions: The things left behind or thrown away can hold more information about the people doing the discarding then their cities and monuments. While archaeologists of the early 20th century sought the tombs of kings, modern archaeologists place a greater focus on the homes and middens […]

1) The cell can transfer the high energy electrons from NADH into the mitochondria using either the glycerol phosphate shuttle or the malate-aspartate shuttle. Explain one of these two shuttles with a diagram and make sure to include details of total ATP yield. Show the structures or names of the […]

Recent scientific and public policy discussions have focused on some natural and man-made substances, external to the body, and whether or not these substances interact with the endocrine system. The topic of “endocrine disruptors” is being popularized in media reports and discussed at scientific conferences. Read the following article and […]