Definition of asexual:
vegetal, agamic, amphibious, caged, best-of-breed, articulate, neuter, arboreal, captive, agamous, agamogenetic, vegetative, chastity, sexless, chastity belt, anthropoid, celibacy, frigid, nonsexual, parthenogenetic, androgynous, aquatic.
- "A Mechanico-Physiological Theory of Organic Evolution", Carl Von Nägeli.
- "Herbert Spencer", J. Arthur Thomson.
It may be pointed out that although asexual multiplication persists in many organisms both large and small, and is sometimes the only method of multiplication, yet it is apt to be a somewhat expensive process and would be difficult to arrange for in highly differentiated animals.- "Herbert Spencer", J. Arthur Thomson.