Cell A has a surface area of 60um2 and a volume of 15um2. Cell B has a surface area of 36um2 and a volume of 12um2. Using that information, determine the surface-area-to-volume ration of each cell. What is the SA:V ratio of the cell that will exchange materials with is environment at the fastest rate of diffusion?

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

You want to cultivate some exotic plants at your farm. however, the climate is chillier than the temperature range favorable to the crop. which is the best method to use for the cultivation of this exotic crop? a. use a crop rotation method b. use a lot of fertilizer c. prepare the seed bed properly d. use a greenhouse e. use irrigation

What are the pros and cons of quadrat sampling?