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Angela Diiaz, profile picture
Uploaded byAngela Diiaz
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Stems slides

This document discusses different types of stems and their functions in plants. It describes how stems support leaves and branches, and transport water and nutrients between roots and leaves. It then defines and provides examples of different specialized stems, including stolons, tubers, bulbs, photosynthetic stems, tendrils, and describes their unique functions for plants to survive.

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S M E T S
Purpose • To know behavioral and structural adaptations that allows plants and animals to survive in an environment.
The Plant Body: Stems FUNCTION OF STEMS • Stems support leaves and branches. • Stems transport water and solutes between roots and leaves.
Stolons • Stolons or runners horizontal stem that grows above the ground with long internodes • Examples of plants that can produce stolons are strawberry and airplane plants
Tuber • Tubers accumulation of food at the tips of underground stolons • The "eyes" of a potato are the nodes of a starch-ladened stem
Bulb • Bulbs - large buds with a small stem at the lower end surrounded by numerous fleshy leaves, adventitious roots at base • Examples include onion, tulip, and lily
Photosynthetic Stems • Cacti - stout fleshy stems that are modified for food and water storage and photosynthesis.
This stem does photosynthesis, stores water, but also produces a defense chemical: mescaline…a hallucinogen. Lophophora williamsii - peyote
Tendrils • Is a specialized stem, with a threadlike shape that is used by climbing plants for support. Grape Tendrils