Why the leaves in gymnosperms are adapted to withstand xerophytes conditions?

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As we know living organisms evolved 1st in water and gymnosperms were the 1st to opt for terrestrial life. They are known as amphibians of plant kingdom. So all of a sudden such a change required more conservation of water hence they are adapted to xerophytic conditions.
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The gymnosperms are a group of vascular plants whose seeds are not enclosed by a ripened ovary. The leaves of gymnosperms are well adapted to withstand extreme humidity and temperature conditions. For example, in conifers the shape of the leaves is needle type.
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Diploblastic: 1. Body wall develops from two embryonic germ layers- ectoderm and endoderms and persists as such in adult. 2. Non- cellular, gelatinous mesogloea is present in between ectoderm and endoderm. 3. Coelom is absent, e.g. Hydra (coelenterates), sponges (Porifera). Triploblastic: 1. Body...
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Diploblastic: 1. Body wall develops from two embryonic germ layers- ectoderm and endoderms and persists as such in adult. 2. Non- cellular, gelatinous mesogloea is present in between ectoderm and endoderm. 3. Coelom is absent, e.g. Hydra (coelenterates), sponges (Porifera). Triploblastic: 1. Body develops from 3 germ layers- ectoderm,mesoderm and endoderms. 2. Mesogloea is absent and mesoderm is present. 3. Coelom is present, e.g. platy-helminthes, annelids, arthropods, mollusks, echinoderms and choradates. read less
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The leaves of gymnosperms are well adapted to withstand extreme humidity and temperature conditions As we know living organisms evolved 1st in water and gymnosperms were the 1st to opt for terrestrial life. They are known as amphibians of plant kingdom. So all of a sudden such a change required more...
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The leaves of gymnosperms are well adapted to withstand extreme humidity and temperature conditionsAs we know living organisms evolved 1st in water and gymnosperms were the 1st to opt for terrestrial life. They are known as amphibians of plant kingdom. So all of a sudden such a change required more conservation of water hence they are adapted to xerophytic conditions. read less
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