Presentation on theme: "Plant Adaptations What does Adaptation mean"— Presentation transcript:
1 Plant Adaptations What does Adaptation mean Plant Adaptations What does Adaptation mean? The special characteristics that enable plants and animals to be successful in a particular environment are called adaptations.Adaptations help a plant to:· Get Sunlight, Water, Air, or Nutrients· Not be eaten· Stay put· Reproduce
2 Tropical Rainforest Plant Type Adaptation Bark: limits evaporation Lianas: woody vines that climb to reach sunlightDrip Tips: enable raindrops to reach rootsButtresses, Prop and Stilt Roots: give support in shallow, wet soilBromeliads: leaves form a tank that holds waterEpiphytes: don’t require soil,“air plants”Carnivorous Plants
3 Desert Plant Name Adaptation Roots: grow near the surface to collect rainwater quicklyThick Stems: to store waterLeaves with hair: help shade the plant, reducing water loss. Spines: to discourage animals from eating plants for water;Waxy coating on stems and leaves: help reduce water loss.Flowers that open at night: lure pollinators who are more likely to be active during the cooler night.Slower growing: requires less energy. The plants don't have to make as much food and therefore do not lose as much water.
4 Deciduous Forest Tundra Plant Name Adaptation Deciduous Trees drop their leavesBroad, thin, light-weight leaves: capture sunlightThick bark: protect against cold wintersTundraSize:(usually less than 12 inches tall) and low-growing due to lack of nutrients, because being close to the ground helps keep the plants from freezing, and because the roots cannot penetrate the permafrost.Plants are dark in color: some are even red—this helps them absorb solar heat.Hair: helps keep them warm.Grow in clumps: protect one another from the wind and cold.Dish-like flowers: focusing more solar heat on the center of the flower, helping the plant stay warm.
5 Grassland Taiga Plant Name Adaptation Thick bark: resist fire Roots: resprout after a fireRoots: extend deep into the ground to absorb as much moisture as they canExtensive root systems: prevent grazing animals from pulling roots out of the groundNarrow leaves: which lose less water than broad leavesSoft stems: enable prairie grasses to bend in the windTaigaEvergreen: so that plants can photosynthesize right away when temperatures riseneedle-like leaves: which shape loses less water and sheds snow more easily than broad leaves/ waxy coating prevents evaporationNeedles are dark in color: allowing more solar heat to be absorbedBranches that droop downward: to help shed excess snow to keep the branches from breaking
6 In Water Plant Type Adaptation Underwater leaves and stems: flexible to move with water currentsAir spaces in their stems: to help hold the plant up in the waterRoots and root hairs: reduced or absent; roots only needed for anchorage, not for absorption of nutrients and waterLeaves that float atop the water: exposing themselves to the sunlightChlorophyll is restricted to upper surface of leaves (part that the sunlight will hit) and the upper surface is waxy to repel waterProduce seeds that can float