Multiple choice midterm exam 1) Which of the following statements about temperat
ID: 234730 • Letter: M
Question
Multiple choice midterm exam
1) Which of the following statements about temperate shrublands is true?
Plants of Mediterranean climates rarely encounter fires.
There is a well-developed understory in Mediterranean climates.
Mediterranean climates support evergreen shrubs and trees that are adapted to hot, dry summers and warm, wet winters.
Soils in areas with Mediterranean climates are generally nutrient poor.
2) Which of the following statements about boreal and cool temperate forests is false?
The taiga can be divided into three major vegetation zones.
The taiga may experience seasonal fluctuations in temperature of up to 100°C.
The taiga occurs just to the south of previously glaciated lands in the Northern Hemisphere.
The taiga is a coniferous forest found in the Northern Hemisphere that covers more than 10 percent the terrestrial environment.
3) Whittaker's graphical analysis of terrestrial biomes incorporates gradients of
mean annual day length and mean annual temperature.
mean annual precipitation and mean annual day length.
mean annual precipitation and mean annual temperature.
mean annual solar input and mean annual precipitation.
4) Which of the following statements is false?
Liquid erosion is a cause of the mechanical weathering of rock.
Freezing is a cause of the mechanical weathering of rock.
Wind erosion is a cause of the mechanical weathering of rock.
Humidity is a cause of mechanical weathering of rock.
5) _____ is the movement of water from internal surfaces of leaves, stems, and other living parts of plants into the atmosphere.
Vapor transport
Infiltration
Transpiration
Evaporation
6) The regolith is
the part of the soil that supports life.
the C horizon.
clay, sand, and silt.
all the unconsolidated layers of our soil.
7) Which of the following statements about the regulation of river ecosystems is false?
Hydroelectric dams release huge amounts of water downstream during periods of heavy power production, and this release adversely affects stream life.
Flood-control dams maintain a large pool.
When dams are installed, there are often major changes in fish communities.
Dams are almost always detrimental to organisms that live in flowing-water ecosystems.
8) The difference between the wilting point and field capacity is
made up for by the capillary forces of the soil.
equal to the difference between the saturation point and the field capacity.
the value defined by the leaf area index.
known as the available water capacity.
9) The pelagic waters of the oceanic zone are
characterized by sharp zonation.
exposed to air during part of the tidal cycle.
characterized by phytoplankton as the dominant autotrophs and zooplankton as the major herbivores.
productive because ample nutrients are available for primary producers.
10) Podzolization
results in a rich, dark black soil.
is typically caused by conifer forests.
results in soils that are loaded with additional salts.
is the process by which bedrock is broken into smaller pieces.
11) The __________ province of oceans includes waters over the continental shelf
abyssal
pelagic
benthic
neritic
Plants of Mediterranean climates rarely encounter fires.
There is a well-developed understory in Mediterranean climates.
Mediterranean climates support evergreen shrubs and trees that are adapted to hot, dry summers and warm, wet winters.
Soils in areas with Mediterranean climates are generally nutrient poor.
Explanation / Answer
1) Mediterranean climates support evergreen shrubs and trees that are adapted to hot, dry summers and warm, wet winters.
2) The taiga may experience seasonal fluctuations in temperature of up to 100°C.
3) mean annual precipitation and mean annual temperature.
4) Liquid erosion is a cause of the mechanical weathering of rock.
5) Transpiration
6) all the unconsolidated layers of our soil.
7) Dams are almost always detrimental to organisms that live in flowing-water ecosystems.
8) known as the available water capacity.
9) productive because ample nutrients are available for primary producers.
10) is typically caused by conifer forests.
11) benthic
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