Diffusion select one:
a. proceeds until equilibrium is reached
b. occurs when particles spread from areas where they are less concentrated to areas where they are more concentrated
c. is driven by an input of cellular energy
d. requires an input of cellular energy
e. is the result of the potential energy of atoms

Arafura file snakes are large, aquatic, non-venomous snakes found in the flood-plains of australian rivers. they feed only on fish found in the rivers. it has been observed that heavy rainfall in the wet season in one year leads to prolonged inundation of the floodplains lasting a year or longer. it has also been observed that these snakes remain in good physical condition after a flood. explain how the file snake population in a region is likely to be affected by the prolonged inundation of a flood-plain.

Ascientist is studying muscle twitches in chicken quadriceps. to activate the muscle, he needs to provide stimulus to the

Consider this plant cell which organelle is labeled g