organisms which eat other organisms to survive (such as animals and humans) are called hetreotrophs.
organisms which make their own food ( such as plants) are called autotrophs.
Any animal that's not a producer. A producer produces its own food so it doesn't get energy from an organism. An example of an animal could be a hawk. When it eats a rat the energy from the rat goes...
In food chain each organisms drive their food from other organisms. in food chain plants are producer as they manufactures their own food by photosynthesis, and consumers eat the plant. e.g...