Insect Pollintors Wind or Insect WS

Wind or insect pollination? © www.teachitscience.co.uk 2014 22853 Page 1 of 2 Teaching notes and answers Our staple foods e.g. wheat and rice are wind pollinated. If we lost a large number of insect pollinators we would still have plenty to eat but we would lose foods which provide us with essential micro-nutrients, vitamins and minerals, antioxidants and variety in our diet. Although insect pollinated, most potatoes are reproduced asexually, from tubers. Many fruits such as citrus fruits, bananas, figs, kiwi, coconuts can be self pollinated but they produce more fruit if they are pollinated by insects. Vegetables are largely insect pollinated. insect pollinated wind pollinated apples, oil seed rape, strawberries, almonds, raspberries, potatoes, tomatoes, oranges hazelnuts, wheat, rice, sweet corn, olives, oats Insect pollinated flowers; have large, colourful petals have anthers inside flower have a short strong anther stigma outside flower be scented produce nectar. Wind pollinated flowers; small petals petals are not colourful not scented anthers loosely attached anthers and stigma hang outside the flower feathery like stigma.

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Transcript of Insect Pollintors Wind or Insect WS

Page 1: Insect Pollintors Wind or Insect WS

Wind or insect pollination?

Teaching notes and answers Our staple foods e.g. wheat and rice are wind pollinated. If we lost a large number of insect pollinators we would still have plenty to eat but we would lose foods which provide us with essential micro-nutrients, vitamins and minerals, antioxidants and variety in our diet.

Although insect pollinated, most potatoes are reproduced asexually, from tubers.

Many fruits such as citrus fruits, bananas, figs, kiwi, coconuts can be self pollinated but they produce more fruit if they are pollinated by insects.

Vegetables are largely insect pollinated.

insect pollinated wind pollinated

apples, oil seed rape, strawberries, almonds, raspberries, potatoes, tomatoes, oranges

hazelnuts, wheat, rice, sweet corn, olives, oats

Insect pollinated flowers;

have large, colourful petals

have anthers inside flower

have a short strong anther

stigma outside flower

be scented

produce nectar. Wind pollinated flowers;

small petals

petals are not colourful

not scented

anthers loosely attached

anthers and stigma hang outside the flower

feathery like stigma.

Page 2: Insect Pollintors Wind or Insect WS

Wind or insect pollination?

Task

1. Look at the pictures of the different flowers of important food plants. Put them into two piles, insect pollinated flowers and wind pollinated flowers.

2. Write the names of the food plants into the correct columns in the table.

insect pollinated wind pollinated

3. Draw a label a typical insect pollinated flower and a typical wind pollinated flower.

4. Write down three features the insect pollinated flowers have in common.

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........................................................................................................... 5. Write down three features that the wind pollinated flowers have in common.

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