How do an increase in the organic matter in soil and an increase in soil depth affect the population of plants in an area?
nitrogen-fixing bacteria kill young trees
larger plants become the dominant organisms
grasses become diseased
mosses replace flowering plants

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

passive transport is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. unlike active transport, it does not require an input of cellular energy because it is instead driven by the tendency of the system to grow in entropy.

so, according to what that says, i believe it's hypertonic and hypotonic.

good luck!