Fish in a small pond depend on what biotic factors to meet their needs?

Fish in a small pond will most likely depend on which of the following biotic factors to meet their needs? Plants that exchange gasses with the pond water. Insects that feed on other insects in the pond. Water birds that prey on amphibians and small fish.

Explanation:

the framers of the constitution insisted that federal judges be nominated instead of elected due to their desire to have judges above the shifting whims of the masses.

the hope, whether achieved or not, was that federal judges would only be beholden to the law and that by not having judges be elected, they would be protected if that law dictated an outcome that ran counter to popular opinion.