Biology 300 words total

In Chapter 19 of OpenStax the authors discuss the study of populations of organisms, and how they interact with one another and their environment.  Respond to the following prompt related to this chapter: Towards the end of chapter 19, the authors discuss K-selected and R-selected species. Provide a comparison of the two types of organisms […]

i need 3 one paragraph essays.

1.Explain how, in a three-chambered heart, the oxygenated blood is kept separate from the deoxygenated blood, even though both are pumped from the same ventricle.   2. Compare the gill arches in marine vertebrates with the ribs in terrestrial vertebrates.   3 Compare the way that marine vertebrates get water to flow over the gills […]

Discussion question

For a long time fire was considered destructive and was suppressed without regard to the role it might be playing in the environment. Now fire is recognized as a tool to help maintain healthy ecosystems. However, people living on the edge of lands susceptible to fires are nervous about allowing minimally controlled fires to burn. […]


  1.  Compare and contrast the functionalist view of social stratification and the conflict theory’s view of social stratification. How does social stratification influence the daily interactions of individuals? How do systems of class, based on factors such as prestige, power, income, and wealth, influence your own daily routines, as well as your beliefs and […]