Q1. What role do you think people have to play in preserving those regions threatened by human encroachment? How must the interests of competing groups be balanced? Q2. Natural selection tends to choose against deadly genetic disorders such as Tay-Sachs disease and PKU. If this is the case, why are […]

Your friend is studying mouse fur color and has isolated the GPCR responsible for determining its color, as well as the extracellular signal that activates the receptor. She finds that, on addition of the signal to pigment cells (cells that produce the pigment determining fur color), cAMP levels rise in […]

Now that you have had a chance to study the organ systems of the body, choose one system and research it further. Find a reliable, useful website that augments what you have already learned about that particular organ system. Reflect on and share the website with the class by writing […]

1. Cite one piece of evidence supporting the theory of evolution. Why does it support evolution?2. Describe one contributing factor to mass extinction.3. Describe 2 of the following 3 terms and give an example of each (include the example and the organism to which it belongs):homologous structures, analogous structures, vestigial […]