B is the best answer.
I hope this helps! :)
Answer:
yes
Explanation:
The temperature is different in different areas
A biome is defined as the large ecological area where the formation of plants and animals with common characteristics gather due to the similar climates. If I were an ecologist, and i will be determining whether an entire river and lake biome is being threatened by human activity, the indicator species that i might look for are the ones that have been introduced into the biome.
The answer to this is mountains
