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photoshop1234 [79]
3 years ago
10

A large bottle with a layer of mud on the bottom is filled with pond water. Several fish and some green plants are then added an

d the bottle is made airtight.
The living and nonliving contents of this bottle make up
A biome
A population
А
B
с
An ecosystem
D
A species
Biology
1 answer:
denpristay [2]3 years ago
4 0

Answer:

Ecosystem

Explanation:

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