Answered: Define the role of cycus in…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Define the role of cycus in gymnosperms?

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Also known as Acrogymnospermae, gymnosperms are a group of vascular plants that produce seeds which are not enclosed in the ovary. Gymnosperm is a Greek word where "gymnos" means naked and "sperma" means seed. Example: conifers, cycades, Ginkgo etc. These plants are the first to develop seeds and represent an example of evolution in plant kingdom. Since they have seeds that sit on the exposed leaf-surface, flowers or fruits are not formed out of these seeds. at present, thousand of gymnosperm species are found which are classified into 4 broad categories: Coniferophyta, Cycadophyta, Ginkgophyta and Gnetophyta.

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