Osmosis is responsible for the ability of plant roots to draw water from the soil. Plants concentrate solutes in their root cells by active transport, and water enters the roots by osmosis. Osmosis is also responsible for controlling the movement of guard cells. Osmosis can be demonstrated when potato slices are added to a high salt solution.
HABITAT ASSESSMENT FOR HIGH GRADIENT STREAMS Condition Category Habitat Parameter Optimal Suboptimal Marginal Poor 1. Epifaunal Substrate/Available Cover Greater than 70% of substrate favorable for epifaunal colonization and fish cover; mix of snags, submerged logs, undercut banks, cobble or other stable habitat and at stage to