Spores and Seeds Have Basically the Same Function, Dispersal, but Are

Spores and seeds have basically the same function, dispersal, but are vastly different because

A) spores are unicellular; seeds are not.
B) spores have stored nutrition; seeds do not.
C) spores have an embryo; seeds do not.
D) spores depend primarily on animals for dispersal; seeds do not.
E) spores have a protective outer covering; seeds do not.