OBJECTIVE FORESTRY

Detailed explanation-1: -Autotrophs are the producers in the food chain, meaning they create their own nutrients and energy. Kelp, like most autotrophs, creates energy through a process called photosynthesis. An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals.

Detailed explanation-2: -Plants, lichens, and algae are examples of autotrophs capable of photosynthesis. Notice their green color due to the high amounts of chlorophyll pigments inside their cells. Synonyms: autophyte; autotrophic organism; primary producer.

Detailed explanation-3: -Autotrophs are also known as producers.