Organism that makes its own food; producer.
Organisms that get their energy by eating other organisms.
Animals that eat producers; for example, a rabbit eats grass.
Animals that eat secondary consumers; for example, an owl eats the rabbit.
Animals that eat tertiary consumers; for example, a hawk eats the owl.
Animals that have little or no natural enemies, thus preying on others but seldom being preyed upon.
A simple arrangement in which organisms obtain food energy as each one consumes a lower member and in turn is preyed upon by a higher member.
A complex network of many interconnected food chains and feeding interactions
Animals that eat primary consumers; for example, a snake eats the rabbit.
A group of organisms that occupy the same level in a food chain.