If a landfill lacked the clay, plastic, and pipes, how would the environment most likely be affected?
Biodiversity, Watersheds, and Ecological Succession

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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Groundwater near the landfill would be polluted.
2.
FLASHCARD QUESTION
Front
What does the movement of colored water across the sand into the water most model?
Back
Pollution of surface water
3.
FLASHCARD QUESTION
Front
Where should students place a water collection container to determine the effect of runoff from the football field? Options: In the ground near the sprinkler, In a gutter that flows to a nearby pond, Directly under the sprinkler, Suspended directly above the sprinkler.
Back
In a gutter that flows to a nearby pond
4.
FLASHCARD QUESTION
Front
If the grasses in each ecosystem are attacked or killed by a disease, which ecosystem will most likely survive? Options: The prairie ecosystem, because fewer organisms eat grass; The tundra ecosystem, because there is a variety of producers; The prairie ecosystem, because there are fewer top predators; The tundra ecosystem, because it has more herbivores.
Back
The tundra ecosystem, because there is a variety of producers.
5.
FLASHCARD QUESTION
Front
How does biodiversity contribute to the sustainability of an ecosystem?
Back
A variety of plant and animal species allows for more survivors of a natural disaster.
6.
FLASHCARD QUESTION
Front
Which ecosystem would be most sustainable if all the grasses died from severe drought? Options: The forest ecosystem is most sustainable because there are more top predators, The grassland is most sustainable because most of the animals can eat other organisms, The forest ecosystem is most sustainable because most of the animals can eat other organisms, The grassland ecosystem is most sustainable because there is less competition for food.
Back
The forest ecosystem is most sustainable because most of the animals can eat other organisms
7.
FLASHCARD QUESTION
Front
Why is biodiversity important in an ecosystem?
Back
It leads to sustainability, which enables it to withstand a disturbance
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