Pets Control & Dinosaur
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There are many organisms that live on insects and other harmful things. They keep the pest in control. Otherwise the uncontrollable growth in their population would create problems for us.
To see this controlling by other organisms, you take a small tree branch infested with insects and place it in a container. Now find a ladybird and place it also in the same container. You will see the ladybird devouring the insects.
Take a thick card and cut out the shape of a Dinosaur. Paint it with bright colours.
Then cut out the cups from an old egg tray and stick them on the top of the card. For the tail and claws cut out coloured plastic bits or paper and glue them to the Dinosaur.