Ecosystems
Practice Test
1.
Because ponds tend to be filled with plant material, these bodies of water are usually high in __________.
a.
salinity
b.
acidity
c.
nutrients
d.
permafrost
Hint
2.
Which of these biomes receives little annual precipitation?
a.
tundra
b.
temperate deciduous forest
c.
taiga
d.
grasslands
Hint
3.
The gradual changes that happen in the types of species living in a region are called __________.
a.
succession
b.
balance
c.
permafrost
d.
community
Hint
4.
Which of these animals might be found living in a taiga?
a.
moose
b.
kangaroo rat
c.
zebra
d.
spotted owl
Hint
5.
After a house is torn down, the land it stood on begins to have grass and weeds grow from the soil. What is this an example of?
a.
primary succession
b.
climax communities
c.
secondary succession
d.
pioneer species
Hint
6.
__________ are usually shallow and filled with an abundance of plant and animal life.
a.
Oceans
b.
Rivers
c.
Ponds
d.
Lakes
Hint
7.
The body of water where a river and an ocean meet is called __________.
a.
an understory
b.
an estuary
c.
a wetlands
d.
a pond
Hint
8.
Which of these is NOT a freshwater ecosystem?
a.
pond
b.
reef
c.
wetlands
d.
river
Hint
9.
Which plant is typically found in grasslands?
a.
cactus
b.
corn
c.
rice
d.
moss
Hint
10.
Which biome would the kangaroos of Australia be found in?
a.
grasslands
b.
temperate deciduous forest
c.
desert
d.
tropical rain forest
Hint
11.
When is the intertidal zone covered with water?
a.
at high tide
b.
during nighttime hours
c.
at low tide
d.
during daylight hours
Hint
12.
__________ describes the weather patterns that affect a region over a long period of time.
a.
Weather
b.
Climate
c.
Succession
d.
Community
Hint
13.
Which of these biomes is considered the most biologically diverse?
a.
tropical rain forest
b.
grasslands
c.
desert
d.
temperate deciduous forest
Hint
14.
In which aquatic ecosystem would you find ocean fish being raised for food for humans?
a.
a coral reef
b.
a wetlands
c.
an intertidal zone
d.
an estuary
Hint
15.
Primary succession begins in an area without __________.
a.
sunlight
b.
air
c.
soil
d.
wind
Hint
16.
Which biome typically has four distinct seasons?
a.
temperate deciduous forest
b.
desert
c.
temperate rain forest
d.
tundra
Hint
17.
Which of these biomes receives the least amount of rainfall every year?
a.
desert
b.
temperate deciduous forest
c.
taiga
d.
tropical rain forest
Hint
18.
Which one of these is true of the tropical rain forest biome?
a.
The soil contains little dead vegetation.
b.
The soil thaws during the summer.
c.
The soil is thin and gravelly.
d.
The soil contains permafrost.
Hint
19.
Which of these factors helps determine the climate of a region?
a.
the number of plant species
b.
the amount of erosion
c.
the amount of precipitation
d.
the impact of succession
Hint
20.
In many desert regions, water is diverted from streams and rivers to provide it to people in cities. How does this impact the animals in the area?
a.
The animals become more active during daylight hours.
b.
The animals migrate to tropical rain forests.
c.
The animals move closer to cities to search for food and water.
d.
The animals stop searching for water.
Hint
