Do you find that all living beings need the same kind of food?

No. All living things do not require the same kind of food. Different living beings need different types of food based on their body structure and nutritional requirements. They can mainly divided into three categories:

Herbivores: The organisms that eat plant products. Example: Deer, Rabbit

Carnivores: The organisms that eat meat and animal products. Example: Lions, Crocodiles

Omnivores: The organisms that eat both plant and animal products. Example: Humans, Bears.