A Modern Variation

Some subjects are more elementary than others, but I do not like to make a song and dance out of it.

Much better than average (4 4)

Part of a plant that is not fruit, nor seed [1] (9)

Absolute and unambiguous (11)

Relating to the second degree (11)

Creature [1] (6)

Proud exclamation of a 5-year-old, perhaps (1 3 5)

Not ancient [3] (6)

Husband of Tegau (7)

Multitude (4)

Hedged response to "Are you literate?" (1 3 5)

Broadcasts (4)

Of something increasing non-linearly (11)

"_____ Walrus" [2] (1 2 3)

To understand or comprehend [1] (4)

Sometime knight of Arthurian legend (7)

More than a few (4)