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Earn 100

Explain the food web of Yellowstone national park.

Important Questions on Communities

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A forest-ecosystem food web is shown below
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If additional wrens are introduced into this ecosystem, there will most likely be an immediate decrease in the _____
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Explain how food web is more stable and useful than a food chain.
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What are the characteristics of a food web?
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Give information on the food web.
HARD
Given below is a list of autotrophs and heterotrophs. With your knowledge about food chain, establish various linkages between the organisms on the principle of 'eating and being eaten'. What is this inter-linkage established known as?
Algae, Hydrilla, grasshopper, rat, squirrel, crow, maize plant, deer, rabbit, lizard, wolf, snake, peacock, phytoplankton, crustaceans, whale, tiger, lion, sparrow, duck, crane, cockroach, spider, toad, fish, leopard, elephant, goat, Nymphaea, Spirogyra.
EASY
Observe a plant in your kitchen garden, and write a note on producer- consumer relationship.
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Give an example to show the interconnection between food chains. 
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What is the importance of the food web?
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Show a network of five food chains forming a food web.

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What is necessary to convert this picture into the food web? Why?

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Why is the food web more stable than the food chain? What lesson does it give to us? 
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How does food web provide stability to food chains?
HARD

Construct the food web with the following?

Grass, plants, Grasshopper, Frog, Snake, Eagle, Goat, Fox, Tiger, Wolf, Rabbit.

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Mention the significances of food web.
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Differentiate between food chain and food web.
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What is meant by 'food web'? Explain with a diagram.
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What is the food web? Describe the characteristics of the food web. How does a food web give stability to the food chains?