PPT-Gas Exchange in Plants and

Xerophytic Adaptations Be able to describe how a plant is adapted for efficient gas exchange with minimal water loss Plants a Reminder Write down the equation for respiration Write down the equation for photosynthesis. 13.4 Gas exchange in the leaf of a plant. Learning outcomes. Students should be able to understand the following:. How plants exchange gases?. How the leaf of a dicotyledonous plant is adapted for efficient gas exchange. 13.4 Gas exchange in the leaf of a plant. Learning outcomes. Students should be able to understand the following:. How plants exchange gases?. How the leaf of a dicotyledonous plant is adapted for efficient gas exchange. Analyze primary source documents from the first 100 years of contact. Learning Objectives. 3000 B.C.E.. . Settled . agriculture begins among Indians of the Southwest. .. 1492. Christopher . Columbus sails in search of a western route to the east to Asia, but instead lands in the . Making the decision to go on vacation is an exciting one, and for some, it’s the highlight of their year, or life - depending on what kind of vacation they’re planning! However, making the decision to go somewhere might well be the easy part, what’s trickier, is deciding where to go. If you’re the type of person who has an annual vacation that you look forward to every year, do you ever find that you put yourself under intense pressure to ensure that the vacation is as perfect as it can be? With just one opportunity a year to have some time away from work or other constraints with friends or family, do you feel that if your vacation is not perfect in every way, then somehow you have failed and wasted your chance? Trade Across Continents. Spanish settlers. Grew cash crops: sugarcane, tobacco, coffee, and citrus fruits . Used natives as work force, many died when exposed to European and African diseases( small pox, measles, and malaria ) . Whatever your experience has been with planning a vacation, there is no doubt that it can be enjoyable and need not be a ticking time bomb of stress and arguments waiting to explode! Here are a few quick tips to help you plan for the perfect getaway and minimize the stress levels while maximizing the fun: Monsoon vacations aren’t everybody’s cup of tea, but many people find this time of year exhilarating; either that or prices are at their cheapest during the monsoon season while everybody else waits out the storms in their homes! th. and 8. th. Before 1492. Two very different ecosystems. Two difference disease pools. Two sets of culturally diverse people. Two sets of flora and fauna. “...all the trees were as different from ours as day from night, and so the fruits, the herbage, the rocks, and all things.”. Gregory Starr. 1. , . Behzad. Mortazavi. 1. , Steven F. Oberbauer. 2. 1. Dept. of Biological Sciences, University of Alabama. 2. Dept. of Biological Sciences, Florida International University. Primary Objectives. Two very different ecosystems. Two different disease pools. . Two sets of flora and fauna. . Two sets of culturally diverse peoples. . Western . Hemisphere . (New World). Eastern Hemisphere. (Old World). Which gases will leaves be exchanging?. Gas Exchange in Leaves. What features will gas exchange organs have to maximise the rate of exchange?. Large surface area, short diffusion pathway, concentration gradient. In groups. discuss what is meant by the word “exchange”. Apply the word exchange to a biological concept. Exchange takes place over surfaces. Write down features of a good exchange surface. Which processes are used in the exchange of substances. Gas exchange. Gas exchange takes place at a respiratory surface-a boundary between the external environment and the interior of the body. . Gases cross the respiratory surface by diffusion and must have.