)when two aqueous solutions that differ in solute concentration are placed on either side of a semipermeable membrane, and osmosis is allowed to take place, the water will a. exhibit a net movement to the side with lower water concentration. b. exhibit a net movement to the side with higher water concentration. c. exhibit a net movement to the side with lower solute concentration. d. exhibit an equal movement in both directions across the membrane. e. not cross the membrane.

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Which characteristics must an object possess in order to be considered alive?

Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas