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Transcript
Plant adaptations Habitat How plants have adapted Rainforest: Wet and hot, with Adaptations include: poor soil and light. • Big leaves or spiralled leaves to capture as much light as possible. Plants: Swiss cheese plant, • Many leaves have waxy coats and drip tips so excess water rubber plant, birds nest fern, runs off. orchids. • Plants climb or sit in the upper branches of trees to make the most of available light. These have adaptations for trapping water in alternative ways – through funnelled leaves or aerial roots. Habitat How plants have adapted Desert: Hot, arid or semiarid, Adaptations include: water is scarce. • Reducing leaves to spines or to a few small leaves. • Storing water in the swollen stems. Plants: Cacti, Agave, aloe • Only opening the breathing pores (stomata) at night. yucca, stone plants • Disguising themselves to avoid being eaten - such as looking like living stones. Habitat How plants have adapted Poor soils, low nutrition from Adaptations include: soil, e.g. peat bogs. • Flypaper trap, where sticky hairs trap landing insects Carnivorous plants: Venus (sundew). • Pitfall traps where insects fall into a long tube (sarracennia, fly trap, sundew, Sarracenia, pitcher plants). pitcher plants. • Trapping insects or, in a few cases, larger animals such as frogs or small mammals with roots or leaves adapted as traps. • Steel trap that snaps shut (venus fly trap). Habitat How plants have adapted Alpine: Cold, short summers, Adaptations include: exposed to strong winds and • Tightly packed or small leaves. intense light, drought when • Fleshy, waxy leaves to store water or ones covered with water freezes, minimal soil. Plants: Alpine saxifrages, white or grey hairs to reflect sun. gentians, Sempervivum. • Large root system to find available water. Habitat How plants have adapted Mediterranean: Dry hot Adaptations include: summers. • Small leathery leaves, packed with oils to help stop water • Small size of plants, or hugging the ground. loss. Plants: Thyme, rosemary, • Plants are usually shrubby, quite low and able to grow again oregano, sage, lavender after fires. -1- Plant adaptations Go to The Great Plant Hunt website at www.greatplanthunt.org to see these plant adaptation images and lots more, including full details of the adaptations and environments. -2-