I believe it is Answer D :)
Answer:
The correct answer is - all of the answer choices.
Explanation:
In an ecosystem, there are various organisms that are grouped in different trophic levels and groups such as producers, consumers, scavengers or decomposers based on their function and position on the food and energy chain.
The food energy is created by producers and is passed to consumers, scavengers, and decomposers of all the organisms. Energy moves in only one direction in any ecosystem. Energy is passed from producers to one trophic level or energy level, to organisms in the next trophic level.
Answer:
Not 100% sure but I think its the Barail Range. This would affect them by the mountain acting almost like a barrier between them. So they didn't have much interaction.