List 2 environmental factors and 2 morphological features of plants that can influence transpiration rates. List the 3 ways that we have described animals with respect to body cavity. Describe how stomata open and close. In your answer be sure to discuss the role of osmosis, potassium, and turgor pressure in this process. Stomata are surrounded by a pair of guard cells, which are responsible for the opening and closing of stomata.
Abscisic acid stimulates potassium to flow from adjacents cells into both guard cells.
Focus on the different kinds of complexity found in the two groups. Free living flatworms have complex sensory structures and a digestive tract. They have evolved to locate and consume prey and to avoid predation. Parasitic flatworms have evolved a close association with their hosts. They are often specialized to certain groups of hosts and to certain organs or tissues within their hosts.