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Transcript
Plants (II)
- Plants are living things.
- Plants have three life processes: nutrition, interaction and reproduction.
- Plants give us the oxygen we need to live, food, medicine and clothes.
- Plants need sunlight, air (oxygen), water, soil and warmth to grow.
PLANT REPRODUCTION
SEPALS
- Green small leaves that protect the flower before it opens.
- They can be different colours and attract insects to the flower.
- They have pollen at their ends.
- The seeds develop here. It includes the Stigma and the Ovary. The ovary grows into a fruit that has seeds inside.
Flowering and non-flowering plants
According to reproduction, plants are divided into: FLOWERING PLANTS and NON-FLOWERING PLANTS.
FLOWERING PLANTS
Flowering plants develop flowers and produce seeds. There are two types of flowering plants:
- ANGIOSPERMS
- GYMNOSPERMS
NON- FLOWERING PLANTS
Non-flowering plants don’t produce seeds. They produce tiny spores that they release into the air. Examples: fern and moss.
Angiosperms
Angiosperms produce fruit with seeds inside. They have beautiful flowers. Examples: roses, cherry trees, blackberry bushes, rice, wheat.
Gymnosperms
Gymnosperms have small flowers. They don´t produce fruit and the seeds develop inside cones. Examples: pine tree, fir tree, cypress.
Blackberry bush
fern spores
Angiosperms produce fruit with seeds inside. They have beautiful flowers. Examples: roses, cherry trees, blackberry bushes, rice, wheat.
pine tree
Fern
Mosses
TYPES OF LEAVES
LIFE CYCLE OF A PLANT
1. Most seeds need warmth, water, sunlight and air to germinate. 2. Roots grow down from the seed. 3. A stem grows up. 4. Leaves grow on the stem. The plant can now make its own food. 5. A flower grows on the plant. 6. Seeds develop in the carpel. 7. The plant dies, but new plants can grow from its seeds.
Elena Lópezhttps://elhpedroduque.blogspot.com/