4.1.4. FOOD CHAIN, FOOD WEB & ECOLOGICAL PYRAMIDS

Try these first

1. 1.

   What is a food chain?

   Hint

   Think about how animals are connected by what they eat.

2. 2.

   What do producers do in a food chain?

   Hint

   Consider what plants do with sunlight.

3. 3.

   What is the first level in a food chain?

   • Producers
   • Secondary Consumers
   • Tertiary Consumers

   Hint

   Think about who makes their own food.

4. 4.

   True or False: A food web consists of a single food chain.

   • True
   • False

   Hint

   Consider how different animals may eat various sources.

5. 5.

   If a new top predator is introduced into an ecosystem, predict the effects on the existing food chain.

   Hint

   Consider the interconnectedness of organisms and how changes can have cascading effects.

6. 6.

   Analyze the energy loss at each trophic level in a food chain and predict what might happen if energy input decreases significantly.

   Hint

   Think about how critical producers are to the energy flow.