5.9C Science STAAR (Changes to an Ecosystem)

Front

Fertilizers used on farms near the coast can be carried to the ocean when runoff occurs during rain showers. These fertilizers can decrease the populations of fish and shellfish. Which other populations most likely decrease as a result?

Back

Organisms that eat fish and shellfish

Front

Which animal's food sources most likely increased after the mall opened? (5.9C) Options: Snakes, squirrels, and raccoons, Squirrels only, Snakes, squirrels, and deer, Raccoons only

Back

Raccoons only

Front

If all the dead branches and dying trees in a wooded area are removed, which bird's nesting habit would be most affected?

Back

Downy woodpecker

Front

Which of these will most likely happen when prairie dogs are removed from an area?
Options:
The population of predators that eat prairie dogs will decrease.
The population of plants that prairie dogs eat will decrease.
The nutrients in the soil will increase.
The number of underground tunnels will increase.

Back

The population of predators that eat prairie dogs will decrease.

Front

Besides being very destructive to the habitats of other animals, how do wild hogs most likely harm other animals?

Back

By competing with other animals for food

Front

What effect does the rapid growth of kudzu most likely have on an ecosystem?

Back

The variety of native plants decreases.