Alichen is actually composed of two organisms: a fungi and a blue-green algae. both organisms benefit from this relationship. what would we call this relationship?

Number and variety of living organisms includes genetic, species, and ecological types

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above

The small molecule cyclic amp (camp) takes about 0.2 second to diffuse 10 μm, on average, in a cell. suppose that camp is produced near the plasma membrane on one end of the cell; how long will it take for this camp to diffuse through the cytosol and reach the opposite end of a very large cell, on average? assume that the cell is 200 μm in diameter.