NEET BIOLOGY

Detailed explanation-1: -The highest level of organization for living things is the biosphere; it encompasses all other levels. The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.

Detailed explanation-2: -From largest to smallest: biosphere, biome, ecosystem, community, population, and organism.

Detailed explanation-3: -Biologists recognize 12 levels of organization in the living world. From the simplest to the most complex, these levels include atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, and finally biospheres.

Detailed explanation-4: -Answer and Explanation: When referring to the Earth as a closed ecosystem, the ecosphere is technically larger than the biosphere.

Detailed explanation-5: -Biosphere – the largest of all ecosystems – the Earth. Biomes – small regions (bigger than ecosystems, smaller than the biosphere) that have distinct characteristics.