Changes in an Ecosystem

What is a negative of the picture of the manmade changes compared to the natural habitat image?

• The animals will get more food than before

• It destroys the animals' habitat.

• The animals are safe and have found homes more easily.

• There is less pollution than before.

What is a positive in the after image compared to the before image?

• There are more animals because of an increase of plants.

• There is less animals because humans adopted them.

• There water supply evaporated because of heat over time.

• The water supply went up.

Is the after image a mostly positive image or a mostly negative image?

• Mostly negative image

• Mostly positive image

• Mostly trashy image

What are the three biggest kind of pollution?

• Air, Ash, Soil, Oil

• Water, Air, soil

• Oil, Water, Ash

• Air, Ash water

Is this picture a Positive or a negative ???

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Which picture below is mostly positive???

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Which picture below is mostly negative?

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In a pond ecosystem, what would happen to frogs if the insect population decreased?

• There would be more frogs in the pond

• There would be more insects in the pond

• There would be less frogs in the pond

• More fish would move to the pond

What would most likely happen if an ecosystem no longer received sunlight?

• The number of herbivores would increase

• The number of plants would increase

• all organisms would adapt

• All living organisms would eventually die

Which would cause an ecosystem to change quickly ?

• an earthquake

• a lake drying up

• a climate change

• a lake becoming a marsh