Question

which organisms are the primary source of all the food on earth​

Answer 1

Answer:

Plants and animals are the main source of food for all the organisms on earth. Food obtained from animals is the main source of protein and include fish, milk, meat, poultry, and cheese.

Answer 2

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Plants and animals are the main source of food for all the organisms on earth.

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Food From Plants

• Plants are a source of a wide variety of nutrients required to keep the human body in perfect working condition.
• Humans consume everything from fruits, flowers, even the stem of some plants, leaves and stem-like lettuce, celery, roots of some plants like carrots, beetroot, and seeds like wheat, rice, etc.

Food From Animals

• Animal products are used as food directly or indirectly. Milk, eggs and meat are important examples of food from animals.

• Animal products too are a rich source of nutrients.

• The food chain is composed of exactly these animals starting with organisms that use the energy of the sun to the apex at which the organisms are predators and rely on producers.