Year 7 Ecosystems: Food chain/Food web

If the grasshopper were to be removed completely from the food web, what organism would be most effected?

• The squirrel
• The shrew
• The deer
• The rabbit

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What does a food chain represent?

• How all living organisms within a habitat are connected.
• All of the things that a particular animal eats.
• How plants create their own food.
• A single path of energy transfer within a habitat.

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What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.

• How animals are connected in a habitat.

• A single pathway or energy flow between organisms.

• How carnivores get their food.

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An energy pyramid represents what?

• How much sunlight is available for the ecosystem to use. 
• How much energy a particular organism needs. 
• How much energy is needed to build a pyramid. 
• The amount of energy available to the next 'feeder' in a food web.

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What is a trophic level?

• Any class of organisms that occupy the same position in a food chain or web.

• Levels of ecosystems that the world is divided into.

• Different levels of nutrients present within an organism.

• The levels of sunlight a plant needs to survive.

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What may happen if the snowshoe hare was removed from the food web pictured?

• The insects in the habitat would increase.

• The shrew population would decrease due to only hawk being food source.

• The willow tree population would decrease.

• Foxes would disappear due to no food source.

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The rabbit in this food web would be considered a:

• Decomposer
• Producer
• Secondary Consumer
• Primary Consumer

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The mouse in this food web would be considered a:

• Primary Consumer
• Producer
• Tertiary Consumer
• Secondary Consumer

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The shrew provides energy for the _______?

• cricket
• grasshopper
• frog
• snake

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Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf