Plants
Published on Nov 22, 2015
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PRESENTATION OUTLINE
GEOTROPISM
- No matter which way a seed lands or is buried, the roots will grow towards the ground in response to the pull of gravity.
Photo by lvanvlee8
PHOTOTROPISM
- No matter which way a seed lands or is buried, the leaves will grow toward the light.
Photo by herefordcat
FLOWERS
- Produce fruit which contains seeds; attract pollinators with a variety of means.
Photo by nosha
ROOTS
- Carries water and minerals to plant; gives some support of plant by anchoring it to the ground; some roots can store food.
Photo by Aaron Escobar
SEEDS
- Carry the new plant; have to be spread to keep from competing with parent plant; seeds can be dispersed by wind, humans, animals, etc.; seeds have various variations to enable spreading.
Photo by Neal.
STEM
- Support of the plant; moves water from the roots up to the plant; moves food from the leaves down the plant; sometimes have structures for defense of the plant such as prickles, thorns, bark, or stinging hairs.
Photo by tanakawho
LEAVES
- Shapes and size vary, depending on how much sunlight the plant needs;produce food for the plant; release oxygen; plant defenses such as prickles and spines.
Photo by harold.lloyd
