Chapter 25:
Change in Ecosystems
Practice Test
1.
What type of vegetation lives more than one year?
a.
perennial
b.
annual
c.
biennial
d.
permanent
Hint
2.
What is the process of colonization and species replacement on a site that was previously uninhabited?
a.
primary succession
b.
the greenhouse effect
c.
secondary succession
d.
climax community
Hint
3.
What is the sequential replacement of species after a major disruption in a community?
a.
primary succession
b.
secondary succession
c.
climax community
d.
the greenhouse effect
Hint
4.
What types of vegetation are able to store water to survive in biomes with little annual precipitation?
a.
dormant vegetation
b.
annuals
c.
succulents
d.
perennials
Hint
5.
What biome is a subtropical or tropical grassland with scattered trees and woodlands?
a.
desert
b.
savanna
c.
prairie
d.
chaparral
Hint
6.
What organisms in aquatic ecosystems migrate between the surface and deeper water to feed and escape predators?
a.
zooplankton
b.
phytoplankton
c.
abyssal organisms
d.
benthos
Hint
7.
What is a stable, self-perpetuating community that persists until interrupted or destroyed by environmental changes?
a.
commons
b.
aphotic zone
c.
climax community
d.
photic zone
Hint
8.
What is the deeper part of the ocean where light is insufficient for photosynthesis to occur?
a.
photic zone
b.
pelagic zone
c.
oceanic zone
d.
aphotic zone
Hint
9.
What is the shore area between the high-tide and the low-tide marks?
a.
pelagic zone
b.
neritic zone
c.
oceanic zone
d.
intertidal zone
Hint
10.
What two forms of air pollution have a global impact on ecosystems?
a.
methane and nitrogen oxides
b.
CFCs and carbon dioxide
c.
methane and ammonia
d.
ammonia and sulfuric acid
Hint
