Which of the following typical adaptations of marine animals is not found in sea otters?
a streamlined body
b. webbed hands and feet
e body covered in thick fur
d. breathing apparatus on the top of the head

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

Differentiate renewable and nonrenewable resources

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.