Answer:
A biological community of interacting organisms and their physical environment.
Explanation:
A balanced ecosystem signifies a habitat which is sustainable. It consists of animals, plants, microorganisms and more which depend on each other and their surroundings. These ecosystems exhibit resourceful energy and material cycling. It also displays interconnectedness amid primary producers and predators.
<u><em>HEY NEPALICHITRA (AMRITA) lol NEYMAR JUNIOR FAN</em></u>
Answer:
D. number of individuals in a species
