Question

How does modification in stem help plants?​

Answer 1

Answer:

Modifications for support: Stem tendrils which develop from axillary buds, are slender and spirally coiled and help plants to climb such as in gourds (cucumber, pumpkins, watermelon) and grapevines. Stem modifications for defence: Axillary buds of stems may also get modified into woody, straight and pointed thorns.

Answer 2

Answer:

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They protect plants from browsing animals. Modification of stems for photosynthesis: Some plants of arid regions modify their stems into flattened (Opuntia), or fleshy cylindrical (Euphorbia) structures. They contain chlorophyll and carry out photosynthesis.

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hope it helps

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