आवृतबीजी (angiosperms) की संरचनात्मक शारीरिक रचना में, गुरुबीजाणुधानी (megasporangium) रूपात्मक रूप से निम्नलिखित में से किस संरचना के समतुल्य है?

Flowers that contain both stamens and carpels (pistils) are called .....................

Flowers are considered morphological and embryological marvels for all of the following reasons EXCEPT:

Which type of apomixis involves the embryo developing directly from diploid vegetative cells of the nucellus or integuments without fertilization?