Mystery Science Web of Life

Where did the Tyrannosaurus get its energy from? Give an example:

• T. rex got its energy from Triceratops. That energy is not connected to the Sun.

• T. rex got its energy from green plants, which got their energy from the Sun.

• T. rex got its energy directly from the Sun.

• T. rex got its energy from eating Triceratops. Triceratops ate green plants and green plants got their energy from the Sun.

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Scientists are worried that a disease that kills oak trees will spread into this forest. What would happen to this ecosystem if all the oak trees suddenly disappear?

• If there aren’t any oak trees, the squirrels will not have anything to eat. They will need to find another food source or they will not survive.

• If there aren’t any oak trees, the robins will not have anything to eat. They will need to find another food source or they will not survive.

• If there aren’t any oak trees, the hawks may not have anything to eat because the squirrels and robins may not survive.

• All of the above.

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The energy in all ecosystems originally comes from:

• Sunlight

• Plants

• Heat

• Water

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Which best describes what a food chain shows you?

• Energy flow through an ecosystem

• Food flowing through an ecosystem

• Consumers going into other consumers

• Who eats who

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What are the organisms that break down dead stuff?

• Producers

• Consumers

• Decomposers

• Organisms

There are three things a plant MUST have in order to survive. What are they?

• soil

• water

• air

• light

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Elephants only eat leaves, fruit, nuts and grass. They are called __________.

• Omnivore

• Fortivore

• Herbivore

• Carnivore

__________________ are consumers that eat ONLY MEAT.

• Omnivores

• Carnivores

• Producers

• Herbivores

Bears eat fish, insects, plants, seeds, nuts and young elk. They are called __________.

• Franivore

• Carnivore

• Herbivore

• Omnivore

What is the primary source of energy for most ecosystems on Earth?

• Sunlight

• Water

• Soil

• Wind

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