Question

Difference between the tapetum and nucellus

Answer 1

Answer:

A tapetum is available to megaspore where the they are subsequently shed from the plant,as in selaginalla and lsoetes.Where the megaspore is retaind asin the seed plants the typecialy trasitent tapetum is replace by a more sustianced nuteient supply,of which the so called tapement a component.

Explanation:

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Answer 2

the central and chief part of a plant ovule that encloses the female gametophyte.