Flowering plants seem to have originated from

Flowering plants seen to have originated from

The flowering plants originated in which of the following periods ?

The flowering plants originated in which of the following periods ?

Flowering plants absorb nitrogen from the .......................... mainly in the form of..........................

Flowering plants have evolved outbreeding devices because

Flowering plants have evolved as outbreeding devices because

In the majority of the flowering plants, female gametophytes having eight nuclei is