Taxol, an anti-cancer drug, belongs to which class of the secondary metabolites found in plants?
1. Phenolics
2. Glycosides
3. Saponins
4. Terpenes

Consider the given two statements:

I. Absence of secondary metabolites does not result in immediate death, but rather in a long-term impairment of the organism's survivability.
II. Secondary metabolites often play an important role in plant defense against herbivory and other interspecies defenses.

1. Both I and II are correct and II explains I
2. Both I and are correct but II does not explain I
3. I is correct and II is incorrect
4. Both I and II are incorrect