Answer:
Ecosystem.
Explanation:
Ecosystem may be defined as the component of the living and non- livings together and their interaction with each other.
The ecosystem shows the highest level of organisation. The largest number of individuals would be comprised by the ecosystem. The ecosystem includes all the individuals of that particular ecosystem. Species is a small group of individual that can reproduce among themselves. Population comprise of groups of individual of the species. Community includes different population.
Thus, the correct answer is option (B).
