EVERYDAY SCIENCE

Detailed explanation-1: -The correct answer is (c) ecosystem.

Detailed explanation-2: -The lowest level of environmental complexity is the ecosystem. An ecosystem consists of a group of interacting organisms and their environment.

Detailed explanation-3: -An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts.

Detailed explanation-4: -An ecosystem can be described simply as the collection of all living and non-living components in a particular area. The living components of the environment are known as biotic factors.

Detailed explanation-5: -Complete answer: The ecosystem, in general, is the smallest unit of organisation that includes nonliving (abiotic) causes. As a result, abiotic elements are present in habitats, biomes, and the biosphere.