Mark the correct statement. Ecosystem

Sunlight is the ultimate source of energy for an ecosystem.

Producers are also referred to as transducers because during the process of photosynthesis, they absorb light or the radiant energy and eventually convert them into the chemical form of energy. They are very much essential for the sustenance of an ecosystem.

Ecosystems are not exempt from the Second Law of thermodynamics.

In a terrestrial ecosystem, major producers are herbaceous and woody plants. Producers in an aquatic ecosystem are various species like phytoplankton, algae and higher plants.