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What are plants?
Plants are multicellular organisms that are autotrophs (make their own food.)
All Plants divide into two groups. These two groups are:
Seedless plants and plants with seeds.
Seedless plants divide into two groups. What are these two groups?
Ferns and mosses or Bryophytes and pteridophytes.
Plants that make seeds divide into two groups. What are these groups?
Gymnosperms and angiosperms.
Plants with needle like leaves are?
Gymnosperms or conifers
Plants that make fruits are
Angiosperms (flowering plants)
Plants without stems , without seeds, without roots, without leaves and without flowers are:
Bryophytes (moss)
What plants are the main bryophytes?
Mosses.
Do ferns make seeds?
No
What plants are the main pteridophytes?
Ferns.
What are the principal functions of the roots?
To absorb water and minerals through root hairs, to anchor the plant and to stores reserves of nutrients.
What are the main functions of the leaves?
To absorb sunlight
Which organelles are essential to perform photosynthesis?
Chloroplasts.
Where are the seeds in gymnosperms (conifers)?
Cones.
What do angiosperms have?
Flowers.
The main functions of the stem are:
To transport substances between the roots and the leaves and to support the leaves, flowers and fruit.
