NEET BIOLOGY

Detailed explanation-1: -A community includes all the populations of the area. The community and the abiotic factors make up the ecosystem. An organism lives in its habitat within a community.

Detailed explanation-2: -A group of interacting populations forms a community. A community and its physical environment together form the ecosystem. When many ecosystems that are similar to each other interact with each other on a large scale, it is called a biome.

Detailed explanation-3: -Ecosystem: An ecosystem consists of all the biotic and abiotic factors that influence that community. Ecosystem ecologists often focus on flow of energy and recycling of nutrients. Biosphere: The biosphere is planet Earth, viewed as an ecological system.

Detailed explanation-4: -Symbiosis is an interaction characterized by two or more species living purposefully in direct contact with each other. The term “symbiosis” includes a broad range of species interactions but typically refers to three major types: mutualism, commensalism and parasitism.