humans animals and fishes etc
Organisms that must eat food for energy are called heterotrophs. They rely on consuming other organisms or organic matter to obtain the nutrients and energy they need for survival.
from the food they eat.
They eat plants as food
Energy
To derive energy from food you must eat foods that contain
Humans are animals, and all animals require energy to move, and reproduce. They obtain that energy from ingesting food, and digesting it.
Basically, all animals get their energy from the food they eat.
Any animal (Including human beings). Plants live and need a source of energy but they dont "eat." They use photosynthesis.
They fight with other animals to obtain the food they eat. They have to fight for:water, plants and grass. They eat the food.
Heterotrophs obtain energy from the food they eat. They are unable to produce their own food through photosynthesis and rely on consuming other organisms or organic matter to obtain energy.
Protozoa eat food to obtain energy and algae use photosynthesis.
Basically, all animals get their energy from the food they eat.