2007-02-09 15:07:50 · 2 answers · asked by Nevergiveup_boy 2 in Science & Mathematics ➔ Biology
The root tip is a growing part. In order to grow, the cells must divide often and make new cells. Chromosomes can only be seen when the cells are dividing.
2007-02-09 15:19:01 · answer #1 · answered by ecolink 7 · 2⤊ 0⤋
'decrease vegetation' is a collective term for 3 mains communities of vegetation, mosses, liverworts and lichens that have not got roots and convey spores to reproduce, somewhat than flora. Mosses and liverworts have stems and leaves and fix themselves to rocks, soil or wood making use of changed stems observed as rhizoids. bigger vegetation are seed vegetation, alongside with gymnosperms (wherein the seed is 'bare') and angiosperms, or flowering vegetation (wherein the seed is contained in an ovary).
2016-12-17 06:27:55 · answer #2 · answered by ? 4 · 0⤊ 0⤋