CBSEGrade 11BiologyChapter 5 : Morphology of Flowering Plants

Morphological Adaptations in Angiosperms?

In a hot and dry desert ecosystem, angiosperms have evolved various morphological adaptations to ensure their survival. Consider a plant species that has developed a deep taproot and a thick, waxy stem. How do these adaptations help the plant to conserve water and thrive in such an environment?

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📌 CONCEPT: Morphological adaptations in angiosperms refer to the specialized physical features developed by plant species to survive and thrive in diverse environments.

📐 RULE / FORMULA: The key principle is that these adaptations help plants conserve water, protect themselves from extreme temperatures, and capture limited resources in their environment.

💡 WORKED EXAMPLE: Consider a plant species with a deep taproot and a thick, waxy stem, like the cactus. In a hot and dry desert ecosystem, the deep taproot helps the plant absorb water from the soil, while the thick, waxy stem prevents water loss through transpiration. This adaptation enables the plant to conserve water and survive in conditions with limited rainfall.

⚠️ COMMON MISTAKE: Students often confuse morphological adaptations with physiological adaptations. Morphological adaptations are visible structural features, whereas physiological adaptations are internal processes that help plants survive in changing environments.

28 Oct 26