Population and Ecosystems Unit Test

Question

8 of 13 8 of 13 Items

Question
Hunting can be used to combat(1 point)
Responses

pollution.
pollution.

invasive species.
invasive species.

deforestation.
deforestation.

climate change.
climate change.

Answer 1

invasive species.

Answer 2

Population and Ecosystems Unit Test
9 of 13 9 of 13 Items

Question
Fertilizer from agriculture flows into the ocean. What organism may directly benefit from this runoff?(1 point)
Responses

dolphins
dolphins

algae
algae

fish
fish

oysters
oysters

Answer 3

algae

Answer 4

Emperor penguins breed on shelves of sea ice in the winter. By spring, the chicks have developed waterproof plumage and are ready to swim in the cold ocean waters. What effect might a warming climate have on the penguins? (1 point)
Responses

The sea ice freezes earlier in the winter, shifting the breeding schedule.
The sea ice freezes earlier in the winter, shifting the breeding schedule.

The sea ice melts later in the season, and the penguins have to travel farther to find food.
The sea ice melts later in the season, and the penguins have to travel farther to find food.

The sea ice melts before the chicks are ready to swim.
The sea ice melts before the chicks are ready to swim.

The chicks grow faster because of the warming temperature.

Answer 5

The sea ice melts before the chicks are ready to swim.

Answer 6

Which statement provides the best evidence to support the claim that Burmese pythons have an impact on the environment? (1 point)
Responses

Burmese pythons have no natural predators in the Everglades.
Burmese pythons have no natural predators in the Everglades.

Burmese pythons thrived in the Everglades ecosystem.
Burmese pythons thrived in the Everglades ecosystem.

Burmese python numbers increased, and mammal populations decreased.
Burmese python numbers increased, and mammal populations decreased.

Burmese pythons were first introduced to Florida as pets.

Answer 7

Burmese python numbers increased, and mammal populations decreased.