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?

Question

Quizplus · Accepted Answer

The statement "Some of the energy in the system has moved from one organism to another during the three months" is true because in any ecosystem, energy is constantly flowing from one organism to another through the food chain. It is unlikely that no energy entered or left the glass box, especially with sunlight as a source of energy for the organisms. The air in the glass box likely contains carbon dioxide and oxygen, as these gases are necessary for photosynthesis and respiration to occur. The biomass of animal life being greater than the biomass of plant life cannot be determined from the given information.

A Biology Teacher Takes Fish,algae,pond Weed,invertebrates,and Bottom Muck from a Local