Pollination by Insects

Science: Year 3 & 4 National Curriculum, topic 1.3.2

Pollination by Insects

There are two main ways that pollen travels from plant to plant. Pollen can travel when it gets stuck to insects.

Bright, colourful flowers

Bright, colourful flowers

  • Plants that are pollinated by insects usually have bright, colourful flowers.
  • The flowers are bright and colourful to attract insects.
  • 'Attract' means that the insects fly or crawl to those flowers.
Flowers smell

Flowers smell

  • The flowers sometimes give off a smell.
  • The smell can be sweet or like something rotting.
  • The flowers smell to attract insects.
  • 'Attract' means that the insects fly or crawl to those flowers.
Insects are looking for nectar

Insects are looking for nectar

  • Insects go to the flower because they are looking for 'nectar'.
  • Nectar is a sweet liquid made in the flower by the plant.
  • Insects use nectar as a source of energy so that they can fly and run.
  • Many types of bee can turn nectar into honey for their larvae (children).
Insects enter a flower

Insects enter a flower

  • When an insect goes to a flower, it gets dusted with pollen.
  • The pollen sticks to the insect’s body.
  • When the insect flies to another flower, some of the pollen rubs off and pollinates the plant.

Pollination by Insects

Many different plants are pollinated by insects. There are also many different types of insect that can pollinate plants.

Plants pollinated by insects

Plants pollinated by insects

  • Blackberries are an example of a plant that is pollinated by insects.
Humans rely on pollination

Humans rely on pollination

  • Humans rely on insects to pollinate plants for a lot of our food.
Bees pollinate plants

Bees pollinate plants

Wasps pollinate plants

Wasps pollinate plants

Flies pollinate plants

Flies pollinate plants

Ants pollinate plants

Ants pollinate plants

Beetles pollinate plants

Beetles pollinate plants

Test yourself on Pollination by Insects

  • Which of these animals pollinate plants?

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