An animal or person that eats food of both plant and animal origin.
Back
prey
Front
An animal that is hunted and killed by another for food.
Back
biomass
Front
the total mass of organisms in a given area or volume.
Back
parasite
Front
An organism that lives in or on another organism and benefits by deriving nutrients at the host's expense.
Back
decomposer
Front
an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
Back
organism
Front
an individual animal, plant, or single-celled life form.
Back
producer
Front
Is an organism, either a green plant or bacterium, which is part of the first level of a food chain.
Back
energy
Front
the strength and vitality required for sustained physical or mental activity
Back
autrotroph
Front
an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
Back
host
Front
An organism that harbors parasitic, mutual, or commensal symbiont, typically providing nourishment and shelter.
Back
food web
Front
A system of interlocking and interdependent food chains.
Back
heterotroph
Front
an organism deriving its nutritional requirements from complex organic substances.
Back
photosynthesis
Front
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Back
predator
Front
An animal that naturally preys on others.
Back
trophic level
Front
Each of several hierarchical levels in an ecosystem, comprising organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy.
Back
consumer
Front
Is an organism that feeds on plants or other animals for energy.
Back
food chian
Front
A hierarchical series of organisms each dependent on the next as a source of food.
