How are ecosystems named?
a. by the climate it is associated with
b. by the plants that inhabit the ecosystem
c. by the surrounding city
d. by the surrounding country

Ecosystems are named according to the vegetative inhabitants of the ecosystem which means that the answer is B. by the plants that inhabit the ecosystem. The plants themselves however depend on the climate that is found in the place where they are found, which means that they wouldn't be able to thrive and spread in any other ecosystems.