seed plants; comprises the Angiospermae (or Magnoliophyta) and Gymnospermae (or Gymnospermophyta); in some classification systems Spermatophyta is coordinate with Pteridophyta (spore producing plants having vascular tissue and roots) and Bryophyta (spore producing plants lacking vascular tissue and roots)
seed plants; comprises the Angiospermae (or Magnoliophyta) and Gymnospermae (or Gymnospermophyta); in some classification systems Spermatophyta is coordinate with Pteridophyta (spore producing plants having vascular tissue and roots) and Bryophyta (spore producing plants lacking vascular tissue and roots)
an army unit large enough to sustain combat
one of the portions into which something is regarded as divided and which together constitute a whole
the act or process of dividing
an administrative unit in government or business
discord that splits a group
an arithmetic operation that is the inverse of multiplication; the quotient of two numbers is computed
(botany) taxonomic unit of plants corresponding to a phylum
a group of ships of similar type
