NEET BIOLOGY

Detailed explanation-1: -The first and lowest level contains the producers, green plants. The plants or their products are consumed by the second-level organisms-the herbivores, or plant eaters. At the third level, primary carnivores, or meat eaters, eat the herbivores; and at the fourth level, secondary carnivores eat the primary carnivores.

Detailed explanation-2: -Producers are organisms that can make their own food. They form the bottom level of the food web and are usually the most numerous in an ecosystem as a result of their access to direct energy. Most producers are green plants or algae and make their own food using photosynthesis.

Detailed explanation-3: -Organisms in food webs are grouped into categories called trophic levels. Roughly speaking, these levels are divided into producers (first trophic level), consumers, and decomposers (last trophic level).

Detailed explanation-4: -A producer is an organism which produces its own food through photosynthesis. 3. A consumer is an organism which does not make its own food but must get its energy from eating a plant or animal. 4.