Web1. Dicotyledons, having embryos with two cotyledons, and . 2. Monocotyledons, with only one cotyledon. A maize grain is a single-seeded fruit in which the seed coat and the fruit wall are un-separable. On one side of the grain a small, opaque, whitish, deltoid area is seen to be distinctly marked out from the region.

WebIn biology, taxonomy (from Ancient Greek τάξις () 'arrangement', and -νομία () 'method') is the scientific study of naming, defining (circumscribing) and classifying groups of biological organisms based on shared characteristics. Organisms are grouped into taxa (singular: taxon) and these groups are given a taxonomic rank; groups of a given rank can be …