Modern plants

• Bryophytes are non vascular plants that are mostly found in moist environments. They have no trachieds in xylem tissue
• Bryophytes have undifferentiated bodies called a thallus. They have Sinlge cell layers of "leafs"
• bryophytes have rhizoids. single cell anchors
• Bryophytes are predominantly haploid gametophytic plants that reproduce by spores
• Haploid: (of a cell or nucleus) having a single set of unpaired chromosomes.
• Gametophyte: (in the life cycle of plants with alternating generations) the gamete-producing and usually haploid phase, producing the zygote from which the sporophyte arises. It is the dominant form in bryophytes.
• Diploid: (of a cell or nucleus) containing two complete sets of chromosomes, one from each parent.
• Sporophyte: (in the life cycle of plants with alternating generations) the asexual and usually diploid phase, producing spores from which the gametophyte arises. It is the dominant form in vascular plants, e.g. the frond of a fern.
• tracheophytes: Vascular plants with lignified tracheid elements
• Spermatophytes: Seed plants
• Gymnosperm: Naked seed plant
• The gametophyte phase of spermatophytes is internalised within the female gametophyte
• Angiosperms are flowering plants that have flowers as reproductive organs
• Angiosperms have their ovules fully enclosed within ovaries
• Label

  A) Bryophytes

  B) Hornworts

  C) Monilophytes

  D) Gymnosperms

  E) Angiosperms

  F) Spermatophytes