Unit 2 · Relation of classification of living beings and evolution

Plantae Kingdom

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Words of This Topic

  • Prokaryotic cell: a cell without a true nucleus.
  • Saprotrophic: getting food by absorbing it from dead and decaying matter.
  • Chlorophyll: the green pigment that lets a plant make food.
  • Cellulose: the substance that makes up a plant cell wall.
  • Thallus: a plant body not divided into root, stem and leaf.
  • Rhizoid: a fine root-like thread that anchors the plant.
  • Amphibian plants: land plants that need water for fertilization.
  • Dioecious: male and female organs on separate plants.
  • Antheridium: the organ that makes male gametes.
  • Archegonium: the female organ that makes the ovum.
  • Zygote: the cell formed when a male gamete fuses with the ovum.
  • Meiosis: the cell division that forms haploid spores.
  • Alternation of generation: gametophyte and sporophyte generations following one another.
  • Vascular tissue: the tissue that carries water and food through a plant.
  • Substratum: the surface, such as rock, soil or bark, that a plant grows attached to.