Organizational Hierarchy Answers

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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?

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A
organism
B
population
C
ecosystem
D
biome
2
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Which describes a group of organisms that are members of a species?

A
They can breed and produce offspring that can breed.
B
They are members of the same community.
C
They live in the same ecosystem, community, and biome.
D
They have similar physical characteristics.
3

What do the polar bears, reindeer, and shrubs that live in a single area make up?

A
organism
B
population
C
community
D
ecosystem
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

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.
6

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.
7

Which of these is an organism?

A
a herd of sheep
B
a wolf
C
a drop of water
D
a heart
9

Which term describes a single female arctic fox?

A
biome
B
species
C
ecosystem
D
organism
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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