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1. According to the video on Energy Flow Through Ecosystems, energy flows from the sun to the __________, then to the primary __________, then to the secondary ___________, then to the ___________ consumer, and then to the apex ____________, and finally to the ___________.

2. Green plants are the only __________ that make their own food using sunlight, water, carbon dioxide through a process called _______________.

3. When the plant makes its food the carbon dioxide is changed from gas to _________ and the gas called __________is produced.

The second video which explains the food chains and food webs will help with the following exercises.

4. A food _______ shows feeding relationships between animals that are in more than one food chain.

Below are some feeding relationships between animals in a woodland:

· Worms, voles, and mice eat vegetation.

· Badgers eat worms, voles and mice.

· Shrews and badgers eat worms.

· Barn owls eat shrews, voles and mice.

5. The animals in a food web that are in the food chains above would be:____________________________________________________.

6. In a trophic __________ of a food web, the plants are in level ______ and the highest level is the ______.

7. Organisms that feed on plants and animals are called __________.

User Bhanu
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1 Answer

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1. Grass/ground 2.consumer 3.consumer 4.Tertiary 5. Predator
User CrayonViolent
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