Answer :
Answer:
Biotic factors and abiotic factors.
Explanation:
Ecosystem may be defined as the community of all the living organism and their interaction with the non-living organisms. They together works as the system.
Ecosystem includes both the biotic and abiotic factors of the system. The abiotic factors of the ecosystem are light, temperature and water. The biotic component of ecosystem are plants, animals and bacteria.
Thus, the correct answer is option (d).