Organizational Hierarchy Answers

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1
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Which of these is an organism?

A
a herd of sheep
B
a wolf
C
a drop of water
D
a heart
2
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The group of polar bears that live along the eastern coast of Russia makes up

A
an organism.
B
a community.
C
an ecosystem.
D
a population.
3

A coral reef, shown below, is an underwater structure that is home to many sea animals that use the water as a resource. Some animals are called stony corals because they have hard bodies that resemble rocks. Stony corals provide protection to other animals that live on the reef.Which is the largest organizational level found in one coral reef?

Question illustration
A
organism
B
population
C
ecosystem
D
biome
4

These penguins are all members of the species Aptenodytes patagonicus.What is the difference between a species and a population?

Question illustration
A
A species includes only one type of organism, while a population includes many types of different organisms.
B
A species includes only organisms that can reproduce together, while a population includes groups of organisms that cannot all reproduce together.
C
Organisms of the same species must live in similar climates, while organisms of the same population can live in different ecosystems with different climates.
D
Organisms of the same species can live in different areas, while organisms of the same population live in only one area.
5

Which shows the levels of organizational hierarchy listed from least complex to most complex?

A
organism, population, community
B
species, ecosystem, community
C
population, community, species
D
organism, community, population
6

Which list of items would an ecological scientist most likely include when describing a forest community?

A
deer, water, tree
B
deer, wolf, tree
C
deer, wolf, rock
D
tree, water, soil
7

The Caribbean monk seal was declared extinct in 2008. Although there are other types of seals on Earth, Caribbean monk seals could only breed with other Caribbean monk seals.The last Caribbean monk seal that died was the last member of

Question illustration
A
a species.
B
a community.
C
a biome.
D
an ecosystem.
8

Which term describes a single female arctic fox?

A
biome
B
species
C
ecosystem
D
organism
9

Earth’s biosphere is described as

A
every biome that has living things.
B
every community that is above water.
C
every biome that has living plants.
D
every community that has sunlight.
10

When describing a community, a biologist would identify every

A
population that lives together in an area.
B
biome that exists in the biosphere.
C
every organism that can produce offspring together.
D
every ecosystem that is part of a biome.

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