Question

4. Define Ecosystem.List two ways to wildlife.​

Answer 1

Answer:

All the interacting organisms in an area together with the non-living constituents of the environment form an ecosystem. For example a garden is an ecosystem which consists of plants, insects, water, soil etc.

(a) The two components of the ecosystem are − Biotic and Abiotic.

Biotic components comprises of all the living organisms like humans, animals, plants etc and Abiotic component comprises of the nonliving things like air, mineral soil, water and sunlight.

(b) Ponds and lakes are an example of natural ecosystem whereas the aquarium is an example of artificial ecosystem. Ponds do not need to be cleaned because it has microorganisms, like bacteria and fungi that break-down the dead remains and waste products of organisms and clean the pond naturally. The aquarium does not contain soil or decomposing bacteria or fungi which helps in degrading complex organic substance into simple inorganic substance, so it needs to be cleaned from time to time.

Answer 2

Explanation:

a biological community of economical interracrion of organisms and their physical environment is called ecosystem