Carbon Aquarium Pond

Carbon Aquarium Pond
A biology teacher takes fish, algae, pond weed, invertebrates, and bottom muck from a local pond and establish?

A biology teacher takes fish, algae, pond weed, invertebrates, and bottom muck from a local pond and establishes them in an aquarium. When the system is stable, the teacher seals it into a large, airtight glass box and leaves the box in a sunny location. After three months, the organisms in the aquarium appear alive and healthy. Which of the following statements about the experiment is true?

a. No energy has entered or left the glass box during the three months.

b. During the three months, the biomass of animal life was greater than the biomass of plant life.

c. Some of the energy in the system has moved from one organism to another during the three months.

d. The air in the glass box contains no carbon dioxide.

e. Some oxygen from water molecules has become part of organic molecules.

c. Some of the energy in the system has moved from one organism to another during the three months.

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Rainwater in the aquarium with detox carbon filter

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