NEET BIOLOGY

Detailed explanation-1: -This is false. An ecosystem can be defined as a community of organisms and the environment (living and non-living) through which they interact. It does not need to be less than a square mile, nor does it need to even be on land.

Detailed explanation-2: -Ecosystems can be very large or very small. Tide pools, the ponds left by the ocean as the tide goes out, are complete, tiny ecosystems. Tide pools contain seaweed, a kind of algae, which uses photosynthesis to create food. Herbivores such as abalone eat the seaweed.

Detailed explanation-3: -Ecosystems come in indefinite sizes. It can exist in a small area such as underneath a rock, a decaying tree trunk, or a pond in your village, or it can exist in large forms such as an entire rain forest. Technically, the Earth can be called a huge ecosystem.

Detailed explanation-4: -The biotic and abiotic components that make up an ecosystem are the structural and functional units of the biosphere. The three main categories of organisms are producers, consumers, and decomposers. A true ecosystem has more producers than consumers.

Detailed explanation-5: -Such large ecosystems are called ‘Biomes’.