The pollen needs to be transferred from the stamen to the stigma. If this transfer of pollen occurs in the same flower, it is referred to as ______. On the other hand, if the pollen is transferred from one flower to another, it is known as ______.

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?