An organism that eats both plants and animals
An animal (or sometimes a plant) that feeds on animals.
An animal that feeds on plants.
Organisms that produce organic compounds from inorganic compounds such as atmospheric or aquatic carbon dioxide, principally through the process of photosynthesis.
An organism that eats other organisms
A carnivore that feeds on the bodies of dead organisms
An organism that speeds up decay by eating dead plant and animal material and increasing its surface area
An organism that obtains organic food molecules without eating other organisms or substances derived from other organisms. Autotrophs use energy from the sun or from the oxidation of inorganic substances to make organic molecules from inorganic ones.
An organism that obtains organic food molecules by eating other organisms or substances derived from them.
Process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates