Unit b plants for food & fibre (parts of a plant)

1. Parts of a Plant

2. Parts of a Plant
• Flowers
o flower usually has both male and female parts for reproduction
o Bright petals attract insects
• Leaves
o produce food for the plant
o take in carbon dioxide and release oxygen
o allow water to exit the plant

3. Parts of a Plant
• Seeds
o contain an embryo that will form a new plant
o contain a food supply for the embryo
• Cones
o there are separate male and female cones for reproduction

4. Parts of a Plant
• Stems
o provide a pathway for movement of water and food
o support the leaves and reproductive structures
o made of two important tissues:
• 1. Xylem - is used to transport water from the roots to the leaves
• 2. Phloem - transports sugar from the leaves down to the roots
• Roots
o absorb water and dissolved nutrients
o anchor the plant in the soil

5. Seeds
• There are a large number of plants that make seeds.
• Wheat is a seed we eat.
• Dandelion have seeds we play

6. Seeds
• Flowers have seeds.
• So do apples, they grow into apple trees

7. Seeds
• Pine trees have cones
• Cones are also seeds

8. Seed Dispersal Video