Observing flowers

Observing Flowers

Parts of The Plant

• Seed• Flower• Stem• Leaves• Roots

1. Flower Function

• The flowers of some plants are brightly colored to attract bees and other insects.

The flowers job is to make seeds.

S -P –S- P

• Sepals

• Petals

• Stamen

• Pistil

• Bee takes nectar from the flower to make honey. It also picks up the pollen on its legs.

Pollen

• Some of the pollen that the bee picks up drops to another flower that it goes to.

This is called Pollination.

• Pollination is the transfer of the pollen from one flower to another flower to make seeds.

Flower Function• Flowers are pollinated by:

–Wind– Insects–Birds

Pollination and Fertilization• Pollination is the transfer of male parts of the flower to

the female parts.

• Fertilization is the uniting of tiny sperm cells in the

pollen to the undeveloped seeds art the base of the

pistil.

Weeds• A weed is any plant that grows where it is unwanted.

• Weeds are very useful as they hold the soil and

prevent soil erosion. Some are useful as dye, or

food.

Thought Provoker no. 1

• What do you think will happen if all honeybees will vanish on the face of earth?

How will it affect the balance of the ecosystem?