Basic food of all animals and people is plants or meat

Both plants and meat are the basic food for the people.

Explanation:

Food from plants and animals provide us with nutrients, proteins, fibers and carbohydrates. People need food to survive. All over India, there are many regions and different types of people eat different varieties. Plants and animals form the main sources for the food. Plants give us ingredients like cereals, grains, vegetables and fruits. On the other hand, we get milk, meat and eggs from animals.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

i don't know, but does anyone wanna be friends? i'm doing my homework at 1: 49 in the morning : /