environments ecosystems fossil evidence

Raccoons eat aquatic animals. If chemicals entered the lake with rain water and destroyed the plants, how would this impact the raccoon population?

• Raccoons would have more aquatic animals to eat.
• Raccoons would begin eating land plants.
• Raccoons would have less aquatic animals to eat.
• Raccoons would only drink water.

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Which of the following would have a negative impact on an ecosystem

• constructing highways
• planting trees
• recycling paper

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How does a bird "change its environment" to meet its NEEDS?

• builds a nest
• flies around
• catches bugs
• looks for something to eat

There are many large-mouth bass, a type of fish, living in a small lake near Waco, Texas. How would increased fishing in the lake effect the lake ecosystem?

• Predators of the bass might starve due to loss of a food source
• The population of the bass’ prey would decrease.
• The bass would spend more time swimming near the surface
• Water level in the lake would decrease as more fishing took place
  

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What would cause a decrease in the rabbit population?

• An increase in grass growing
• A decrease in caterpillars
• An increase in owls
• An increase in fox

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Natural disasters can also change ecosystems. What can organisms do if a disaster happens?

• Fight, Survive, Struggle

• Move, Adapt, Die

• Stay, Sleep, Survive

• Eat, Sleep, Repeat

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NGSS.MS-LS2-4

How would building a highway affect an ecosystem?

• saltwater pollutes fresh water
• marine life is threatened
• it would not change the ecosystem
• animals cannot travel through their ecosystem the same

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What is a drought?

• Not enough rain
• Too much rain.
• Too much people using water
• Strong winds

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If humans over-hunted a population of insect-eating birds, what immediate change would likely be seen in the area?

• Severe loss of vegetation.

• Migration of small mammals.

• Increased seedling germination.

• Increasing populations of insects.

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NGSS.MS-LS2-4

Most fossils are found in –

• frozen rock

• igneous rock

• sedimentary rock

• metamorphic rock

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