Life Science Grade 11

Grade 11 Life Sciences Lesson Planstype of pollination.• Have learners write down the following information in their workbooks.• Wind pollinated flowers are :e.g. grass, maize• Learners must be able to state allcharacteristics of flowers adapted for aspecific pollinator.15 min• Small and inconspicuous, green and not showy.• Produce enormous amounts of small pollen grains.• Their stigmas may be large and feathery to catch the pollen grains.• They do not produce scent or nectar• The stamens are long and protrude out of flower.• Pollen grains are dry and light to easily float in the wind• Insect pollinated flowers: e.g. sweet peas, orchids• Have simple nectar guides with the nectar usually hidden in narrowtubes or spurs, reached by the long tongue of the butterflies• Large and showy, pink or lavender petals , frequently have a landingarea, and are usually scented• Pollen grains are sticky• Bird pollinated flowers: eg. AloeTerm 1 Page 47© Gauteng Department of Education (CAPS version)