Ecology 101 Answers

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1
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The proper order, from smallest to largest, for the levels of organization is _______.

A
population, community, organism, biome, ecosystem, biosphere
B
organism, community, population, ecosystem, biome, biosphere
C
biosphere, biome, ecosystem, community, population, organism
D
organism, population, community, ecosystem, biome, biosphere
8

Which ecosystem contains 32% of the world's producers?

A
terrestrial ecosystem
B
freshwater ecosystem
C
aquatic ecosystem
D
marine ecosystem
11

Only the water of marine ecosystems contains dissolved salt.

A
T
B
F
12

The defining characteristic of deserts is their high daytime temperatures.

A
T
B
F
13

Which biome is prominent in North America?

A
taiga
B
savanna
C
rainforest
D
chaparral
14

Biomes are unique and do not appear more than once on Earth.

A
T
B
F
15

The principal characteristic that determines whether an aquatic ecosystem is classified as marine or freshwater is _______.

A
surface area
B
water depth
C
temperature
D
salinity
16

Biomes are defined by specific characteristics. Photo by Nomadz What characteristics would define the biome shown?

Question illustration
A
cool and windy with coarse gravelly soil
B
low-growing shrubs and large furry carnivores
C
cool and windy with small nocturnal carnivores
D
hot and dry with low-growing shrubs
17

Freshwater ecosystems can be found within terrestrial ecosystems.

A
T
B
F
18

In which biome would you be most likely to enjoy leaves changing color in the fall?

A
Taiga
B
Rainforests
C
Desert
D
Temperate Forests
19

The proper order, from smallest to largest, for the levels of organization is _______.

A
population, community, organism, biome, ecosystem, biosphere
B
organism, community, population, ecosystem, biome, biosphere
C
biosphere, biome, ecosystem, community, population, organism
D
organism, population, community, ecosystem, biome, biosphere

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