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Pine cones and pine trees belong to a group of plants called gymnosperms and date back to prehistoric times. Gymnosperms are a group of plants who have naked seeds, not enclosed in an ovary. … Pine cones can stay on tree for more than 10 years before dropping to theRead More →

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Nuclear endosperm is the most common type of endosperm. It is named so because it contains free nuclei in the beginning. Where does the endosperm develop from in an angiosperm? It is basically composed of haploid cells. The development of the endosperm of angiosperms occurs, as a rule, only afterRead More →