Environmental Changes Question Preview (ID: 37295)


5.9C. TEACHERS: click here for quick copy question ID numbers.

In a study of the habitat of a population of raccoons, scientists found that the number of raccoons actually increased where people built houses. What might the scientists conclude from this observation?
a) Raccoons lost their natural source of water
b) Raccoons found more food living near people
c) The people brought many predators to the habitat
d) Building houses destroyed the raccoons’ habitat

European rabbits were released into the Australian wild in 1859. They had no predators and found plenty of grasses, roots, fruit and seeds to eat. Rabbits likely impacted the Australian ecosystem in all of the following ways EXCEPT –
a) decrease in number and types of local plants
b) fewer animals with a diet that includes plants
c) erosion of soil held in place by plants
d) plants producing seeds faster

Alligators are the large predators that eat many of the smaller animals in a swamp. How might removing the alligators from a swamp habitat create a decrease in vegetation?
a) Meat-eating animals would begin eating plants.
b) The plants in the swamp would get more sunlight.
c) Plants would not be able to spread their seeds.
d) More plant-eating animals would survive.

The ecosystem of some dairy cows includes the fields in which they graze, eating the grass they need. Too many cows can be harmful to their ecosystem because they could -
a) produce too much milk
b) scare away predators
c) raise the temperature
d) remove all the vegetation

How could beavers building a dam cause an increase in fish population? The dam -
a) blocks a river and creates a large lake
b) forces many birds to leave the ecosystem
c) removes trees from around the river
d) causes predators to hunt more fish

There are many large-mouth bass, a type of fish, living in a small lake near Waco, Texas. How would increased fishing in the lake effect the lake ecosystem?
a) Predators of the bass might starve due to loss of a food source
b) The population of the bass’ prey would decrease.
c) The bass would spend more time swimming near the surface
d) Water level in the lake would decrease as more fishing took place

An Oregon truffle is a type of fungus that grows underground in moist soil near fir trees and reproduces using spores instead of seeds. Which of the following environmental changes would likely cause a decrease in the truffle population in an area?
a) More than average rain falling in the forest
b) Counting and recording the number of truffles
c) Winds spreading the truffles’ spores all around
d) Cutting down the fir trees and planting crops

During the construction of a mall, a lake was filled in. This would have the greatest negative effect on organisms that -
a) hunt for berries
b) live in water
c) sleep in trees
d) burrow in soil

Humans brought the first pigs to Hawaii more than 1,000 years ago. The pigs have no predators and eat nearly anything. Which of the following is a negative impact that might result from the introduction of pigs to the Hawaiian rainforest ecosystem?
a) Fewer plants to hold soil in place
b) More kinds of insect species
c) Less rainfall throughout the year
d) Increased destruction by volcanoes

If humans cleared a forest and built homes where the forest once was, we would expect which of the following?
a) More development of soil
b) Fewer tree-dwelling animals
c) More frequent thunderstorms
d) Increased insect populations

If a factory polluted the water supply in an area, what change would likely be observed in that ecosystem?
a) New insects moving into the region
b) More birds nesting in trees
c) Local trees growing taller
d) Fewer pond plants and animals

If humans over-hunted a population of insect-eating birds, what immediate change would likely be seen in the area
a) Severe loss of vegetation
b) Migration of small mammals
c) Increased seedling germination
d) Increased populations of insects

The surroundings where organisms live
a) Environment
b) Change
c) Predict
d) Effect

Things that happen as a result of an action
a) Envrionment
b) Predict
c) Effect
d) Organism

Living thing
a) Envrionment
b) Change
c) Organim
d) Predict

Tell or guess in advance
a) Environment
b) Predict
c) Change
d) Organism

To cause to become or to make different
a) Environment
b) Change
c) Organism
d) Predict

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 37295 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In | Sign Up / Register

Help / Support / FAQ




Gaming Links