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1

____________ are distinctive major types of terrestrial ecosystems that occupy large geographic areas.
A)Communities
B)Biomes
C)Biospheres
D)Domains
2

Biomes are defined by the major ___________ species that live there.
A)animal
B)fungal
C)plant
D)bacterial
3

Two factors upon which plants in terrestrial biomes depend are ______________.
A)moisture and longitude
B)moisture and latitude
C)moisture and temperature
D)None of these is correct.
4

The equatorial regions receive the most sunlight because __________.
A)they are closer to the sun
B)the sun’s rays are perpendicular to Earth’s surface at the equator
C)there are fewer cloudy days at the equator
D)the altitude is greater
5

The most biologically diverse biome is the _____________.
A)tropical rain forest
B)temperate rain forest
C)temperate deciduous forest
D)taiga
6

The competition for light in a forest results in _____________.
A)thermal stratification
B)vertical stratification
C)few plants at the canopy
D)many plants at the forest floor
7

The type of biome located near tropical dry forests but with less rainfall, abundant grasses, a distinct dry season, and migrating animals is ______________.
A)desert
B)tropical savanna
C)tundra
D)temperate forest
8

Animals have evolved drastic means to conserve water in what biome?
A)tundra
B)grassland
C)desert
D)rain forest
9

Beech-maple and oak-hickory are the predominant species in the _____________.
A)temperate deciduous forest
B)temperate rain forest
C)taiga
D)tundra
10

Which of these is not a trait of a temperate coniferous forest?
A)whitetail deer, red squirrel, moose
B)evergreen trees
C)poor acidic soils
D)recurring fires
E)less than 8” (20 cm) of rainfall per year
11

True or false. Perennial grasses, characteristic of grasslands, do not readily survive damage from fires or grazing herbivores.
A)True
B)False
12

Permafrost is found in the ___________ biome.
A)taiga
B)grassland
C)tundra
D)savanna
13

The richest and most productive area of a lake or pond is the __________.
A)littoral zone
B)profundal zone
C)benthic zone
D)abyssal zone
14

The open water of a lake where light penetrates is called the ____________ zone.
A)limnetic
B)profundal
C)littoral
D)lotic
15

Deep lakes often develop a steep temperature gradient called a(n) _____________ during the summer.
A)oxygen surplus
B)littoral zone
C)turnover
D)thermocline
16

Lakes that are low in fertility are said to be ____________.
A)heterotrophic
B)oligotrophic
C)eutrophic
D)autotrophic
17

True or false. It is natural for many rivers to flood annually, an event that is beneficial to both the aquatic creatures and to the land along the rivers.
A)True
B)False
18

A(n) ____________ can be found where freshwater rivers meet the ocean.
A)thermocline
B)intertidal zone
C)estuary
D)coral reef
19

What is the water of the open ocean called?
A)intertidal zone
B)abyssal zone
C)oceanic zone
D)euphotic zone







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