Population and Ecosystems Unit Test
3 of 13 3 of 13 Items
Question
Long-billed curlews eat many different kinds of insects, including grasshoppers, as a source of food. It has been shown that pesticide use kills many of these insects. How would you expect an increase in pesticide use to affect to the population of long-billed curlews in the same area?(1 point)
Responses
It would stay the same.
It would stay the same.
It would increase.
It would increase.
It would not be affected.
It would not be affected.
It would decrease.
It would decrease.
How might bird populations on mountainsides respond to a warming climate?(1 point)
Responses
The range shifts downhill over generations.
The range shifts downhill over generations.
The range shifts uphill over generations.
The range shifts uphill over generations.
There is not likely to be an effect based on a warming climate.
There is not likely to be an effect based on a warming climate.
Their eggs will hatch later.
The range shifts uphill over generations.
Population and Ecosystems Unit Test
5 of 13 5 of 13 Items
Question
What happened to North American coastal waters when the great white shark population decreased?(1 point)
Responses
The oyster population increased.
The oyster population increased.
The clam population increased.
The clam population increased.
The scallop population increased.
The scallop population increased.
The ray population increased.
The ray population increased.
Which organism is most responsible for the decrease in the great white shark population?(1 point)
Responses
oysters
oysters
rays
rays
scallops
scallops
humans
humans
Climate change is primarily driven by(1 point)
Responses
deforestation.
deforestation.
photosynthesis.
photosynthesis.
fossil fuel burning.
fossil fuel burning.
mining.