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Which phrase best describes a community?
sun→alga→small fish
decomposers
marine
Certain bacteria living in the roots of plants convert nitrogen to a form plants can use, and animals obtain their nitrogen b
Many fish lost their habitats as kelp was destroyed by sea urchins.
producers
all populations of organisms living in an area
Many types of water and land biomes exist on earth.
Which types of organisms recycle the organic molecules of dead organisms at all trophic levels and return their nutrients to the environment?
sun→alga→small fish
decomposers
marine
Certain bacteria living in the roots of plants convert nitrogen to a form plants can use, and animals obtain their nitrogen b
Many fish lost their habitats as kelp was destroyed by sea urchins.
producers
all populations of organisms living in an area
Many types of water and land biomes exist on earth.
Which trophic level contains the organisms that are the source of all chemical energy used in an ecosystem?
sun→alga→small fish
decomposers
marine
Certain bacteria living in the roots of plants convert nitrogen to a form plants can use, and animals obtain their nitrogen b
Many fish lost their habitats as kelp was destroyed by sea urchins.
producers
all populations of organisms living in an area
Many types of water and land biomes exist on earth.
Which of the following most accurately demonstrates the order of energy flow in an ecosystem?
sun→alga→small fish
decomposers
marine
Certain bacteria living in the roots of plants convert nitrogen to a form plants can use, and animals obtain their nitrogen b
Many fish lost their habitats as kelp was destroyed by sea urchins.
producers
all populations of organisms living in an area
Many types of water and land biomes exist on earth.
Which statement is true about biomes?
sun→alga→small fish
decomposers
marine
Certain bacteria living in the roots of plants convert nitrogen to a form plants can use, and animals obtain their nitrogen b
Many fish lost their habitats as kelp was destroyed by sea urchins.
producers
all populations of organisms living in an area
Many types of water and land biomes exist on earth.
Which biome covers the largest part of earth?
sun→alga→small fish
decomposers
marine
Certain bacteria living in the roots of plants convert nitrogen to a form plants can use, and animals obtain their nitrogen b
Many fish lost their habitats as kelp was destroyed by sea urchins.
producers
all populations of organisms living in an area
Many types of water and land biomes exist on earth.
Which of the following consequences occurred when sea otters were overhunted along the Pacific Coast?
sun→alga→small fish
decomposers
marine
Certain bacteria living in the roots of plants convert nitrogen to a form plants can use, and animals obtain their nitrogen b
Many fish lost their habitats as kelp was destroyed by sea urchins.
producers
all populations of organisms living in an area
Many types of water and land biomes exist on earth.
Which statement best describes how organisms use nitrogen?
sun→alga→small fish
decomposers
marine
Certain bacteria living in the roots of plants convert nitrogen to a form plants can use, and animals obtain their nitrogen b
Many fish lost their habitats as kelp was destroyed by sea urchins.
producers
all populations of organisms living in an area
Many types of water and land biomes exist on earth.
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