Increase, then decrease
There is no way to tell
Evaporation from the roots
Condensation on the leaves
Evaporation from the leaves
Diffusion from the roots
Plankton, razor clams, and loggerhead turtles
Sanderlings, loggerhead turtles, and striped bass
Grackles, plankton, and diamondback terrapin
Striped bass, sanderlings, and razor clams
Mostly plants and animals
Mostly bacteria and fungi
Both the kelp and the sheephead populations would increase.
Both the kelp and the sheephead populations would decrease.
The kelp population would decrease, and the sheephead population would increase.
The kelp population would increase, and the sheephead population would decrease.
Here's an interesting quiz for you.