Autotrophs like plants make their own food using energy from this process is called photosynthesis.
Plants use sunlight, water, and carbon dioxide to produce oxygen and energy in the form of sugar in a process known as photosynthesis.
Autotrophs include algae, plants, certain bacteria, and fungus. Autotrophs are the food chain's producers since they make their own energy and nutrients. Like the majority of autotrophs, kelp produces energy through a process known as photosynthesis.
All ecosystems depend on autotrophs because only they can synthesise the organic molecules that all creatures require from inorganic substances. Photoautotrophs and chemoautotrophs are the two main categories of autotrophs.
Heterotrophs do devour autotrophs, but autotrophs do not consume heterotrophs.
Learn more about Autotrophs refer
https://brainly.com/question/10253663
#SPJ4