NEET BIOLOGY

Detailed explanation-1: -What does a food web represent? What are the correct types of Trophic levels? An illustration that uses arrows to show the many possible directions in which matter and energy can pass through the organisms in an ecosystem.

Detailed explanation-2: -In food webs, arrows point from an organism that is eaten to the organism that eats it. As the food web above shows, some species can eat organisms from more than one trophic level.

Detailed explanation-3: -An ecological pyramid is a diagram that shows the relative amounts of energy or matter contained within each trophic level in a food chain or food web.

Detailed explanation-4: -A food chain describes how energy and nutrients move through an ecosystem. At the basic level there are plants that produce the energy, then it moves up to higher-level organisms like herbivores. After that when carnivores eat the herbivores, energy is transferred from one to the other.