Exploring Ecosystems and Energy Flow

Which of the following is an example of a producer in a food chain?

• Frog

• Grass

• Snake

• Hawk

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What might happen to the number of insects in a pond if all the frogs are removed?

• The number of insects will increase.

• The number of insects will decrease.

• The number of insects will stay the same.

• The insects will turn into frogs.

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Which of the following best describes the flow of energy in a food chain?

• From animals to plants

• From plants to animals

• From the sun to plants to animals

• From animals to the sun

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If bees are removed from a field, what is a likely effect on the plants in that field?

• Plants will grow faster.

• Plants may not be pollinated and could decrease.

• Plants will turn into bees.

• Plants will become animals.

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Which of the following is a natural change to the environment?

• Building a playground

• Flood

• Planting a garden

• Painting a house

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How might a drought affect animals living in a pond?

• The animals will have more water.

• The animals may have less water and some may move away.

• The animals will turn into plants.

• The animals will not be affected.

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NGSS.MS-LS2-1

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Which organism is most likely to thrive after a flood in a forest?

• Fish

• Cactus

• Desert lizard

• Tree frog

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What is a possible result for some animals if their habitat is destroyed by a flood?

• They will all become plants.

• Some may perish or move to new locations.

• They will not be affected.

• They will become fossils immediately.

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What are fossils?

• Living animals

• Remains or traces of past living organisms

• Pieces of plastic

• New plants

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Which of the following is a common Texas fossil?

• Dinosaur bone

• Plastic bottle

• Fresh apple

• Modern bird feather

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