Teddy is explaining to his class that hydrothermal vents form isolated ecosystems. which point should he explain? a. the organisms of the hydrothermal vent do not interact with the organisms of different ecosystem. b. the organisms of the hydrothermal vent are a part of other food webs. c. there is a continuous input and output of energy and materials in the hydrothermal vent. d. sunlight plays a vital role in the hydrothermal vent ecosystem.

A

Explanation:

In such an isolated ecosystem, there is usually an autotroph species that coverts the abiotic elements in the environment to biotic elements. In  a hydrothermal vent, it is likely that there are some chemoautotrophic bacteria that covert the sulfur and other chemicals in the water into organic molecules. This energy is then transferred up the food web in the closed ecosystem.  In such an ecosystem, even the waste product of one life form may be utilized by another species.

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