Super science projects about animals and their habitats by Allan B. Cobb

By Allan B. Cobb

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Check to see if you have collected any insects. When you have caught several, put the jar over the insects, gently knock them into it, and quickly put on the lid. Be careful of stinging or biting insects. If you accidentally collect one, carefully remove it from your net and release it. Ask an adult to help you with this. #6 After you have collected a number of insects, study them. Empty the net into the shoebox and sort the insects by types. Keep one of each type of insect and release the others.

5 Compare the ratios of predators to prey for each plant of the same type that you inspected. Are the ratios similar? #6 Total the numbers for all of the predators and prey for the area that you inspected and then calculate the predator-to-prey ratio. Is this ratio similar for each of the plants inspected, or did some plants have different ratios? Page 43 For Further Investigation #1 Repeat this activity in another area with different types of plants. Compare the results of the two areas. Which area had a greater predator-to-prey ratio?

If you have ever looked at a feather, you might have noticed how delicate it is and wondered how it could keep a bird warm. Feathers overlap one another to keep wind and water off the bird's skin, and they trap a layer of air underneath. Heat from the bird's body warms the trapped layer of air, and the feathers act as an insulating layer to separate the cold outside air from the warm air against the skin. Just as cats and dogs have fine fur to help keep them warm, birds have fine feathers. These fine feathers are called down.

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