Mind map

The structure of Flowering Plants

Tara H Biology leaving cert. English

Map content

the external
- Roots
  - Roots are found below Ground
  - Function
    - to anchor
    - absorbs water
    - stores food
  - Types
    - TAP ROOTS
      - The primary roots
        lateral or secondary roots emerge from tap root
        tiny root hairs grow from lateral roots
        example- carrot
    - FIBROUS
      - roots form a mass of equally sized branched roots
      - grows more shallow
      - "hairy"
      - example: grasses
    - ADVENTITIOUS
      - Roots that emerge from other parts of the plant
  - Longitudinal Section of a root
    - Protection: Root Cap
      - proteccts root tip as it emerges from soil
    - cell production: Meristem
      - mitosis
      - Apical Meristems located root and shoot tips
    - elongation: plant growth regulators
    - differentiation: Root hairs form. identical cells change to form new tissues
  - Transverse Section of Root
    - the new cells formed by meristems form 3 types of tissues
      - 1. Dermal tissue: protective layer
      - 2. Vascular Tissue: transport
        xylem carries water and minerals
        phloem carries food
      - 3. Ground tissue
objectives
- the external structure of a flowering plant
- Classification of flowering plants