Assertion: sperm | /r/HasProperty | small
Facets:
Source sentences:
text: Sperm have three fundamental characteristics: they are small, they are motile, and they fuse disassortatively with eggs.
text: The most common type of heterogamy is oogamy (occurring in all multicellular animals and in all higher and many lower plants) in which the egg cell is a large, usually nonmotile cell (macrogamete) often containing a store of nutrients or accompanied by special cells for the nourishing of the future embryo, and the sperms are small (microgametes) and capable of movement.