LIFE SCIENCE

Detailed explanation-1: -Soil, earthworm, hyacinth, rocks and temperature are nonliving components or abiotic factors. Hyacinth, firs, seeds, fox, Vallisneria and algae are living components or biotic factors.

Detailed explanation-2: -Biotic components are the living things that have a direct or indirect influence on other organisms in an environment. For example plants, animals, and microorganisms and their waste materials. Abiotic components of an ecosystem include all chemical and physical elements i.e. non-living components.

Detailed explanation-3: -Studies conducted in the Midwest showed that in no-till systems, the combination of soil moisture, temperature, and quality of food supply are essential factors for earthworm population growth.