Chapter 25:
Change in Ecosystems
Practice Test
1.
What is the shallow top layer of the ocean where enough light penetrates so that photosynthesis can occur?
a.
photic zone
b.
neritic zone
c.
intertidal zone
d.
aphotic zone
Hint
2.
What biome is a subtropical or tropical grassland with scattered trees and woodlands?
a.
savanna
b.
prairie
c.
desert
d.
chaparral
Hint
3.
What biome is found in midlatitude coastal areas near cool ocean currents?
a.
desert
b.
prairie
c.
chaparral
d.
savanna
Hint
4.
What organisms are the producers in aquatic ecosystems?
a.
perennials
b.
succulents
c.
phytoplankton
d.
zooplankton
Hint
5.
What is the reduction in the thickness of the ozone layer above Antarctica?
a.
secondary succession
b.
the greenhouse effect
c.
ozone hole
d.
photic zone
Hint
6.
What is the shore area between the high-tide and the low-tide marks?
a.
pelagic zone
b.
oceanic zone
c.
intertidal zone
d.
neritic zone
Hint
7.
In which biome would you find both deciduous and coniferous trees?
a.
temperate deciduous forest
b.
tropical rain forest
c.
taiga
d.
temperate grassland
Hint
8.
What is the sequential replacement of species after a major disruption in a community?
a.
climax community
b.
secondary succession
c.
primary succession
d.
the greenhouse effect
Hint
9.
What biome extends across northern North America, Europe, and Asia north to the tree line?
a.
taiga
b.
temperate grassland
c.
temperate deciduous forest
d.
tundra
Hint
10.
What organisms in aquatic ecosystems migrate between the surface and deeper water to feed and escape predators?
a.
abyssal organisms
b.
phytoplankton
c.
benthos
d.
zooplankton
Hint
