Producer, Consumer, Decomposer
Tertiary consumer
A carnivore at the topmost level in a food chain that feeds on other carnivores; an animal that feeds only on secondary consumers.
Carnivore
A consumer that eats only animals.
Fungi
A group of simple, plantlike animals that live on dead organic matter.
Community
A group of various species that live in the same habitat and interact with each other.
Herbivore
A plant-eating animal.
Energy pyramid
A way of showing how energy moves through a food chain.
Prey
An animal hunted for food, especially by a carnivorous animal.
Omnivore
An animal that eats both plants and animals.
Scavenger
An animal that eats dead animals.
Secondary consumer
An animal that eats other animals. Carnivores are secondary consumers.
Predator
An animal that hunts and eats other animals.
Producer
An organism that can make its own food.
Primary consumer
An organism that feeds on all or part of plants or on other producers.
Decomposer
An organism that feeds on and breaks down dead plant or animal matter.
Consumer
An organism that obtains energy by feeding on other organisms.
Organism
Any living thing.
Food web
Links all the food chains in an ecosystem together.
Environmental factor
One part of the environment. An environmental factor can be nonliving, such as water, light, temperature, or chemicals, or living, such as a plant or an animal.
Energy
The ability to move or change matter.
Environment
The area in which something exists or lives.
Habitat
The place where an Organism lives.
Photosynthesis
The process by which plants and some other organisms capture the energy in sunlight and use it to make food.
Decomposition
The process of decaying, rotting, or breaking down.
Niche
The role of an organism in its habitat, or how it makes its living.
Food chain
The way food passes from one organism to another.
Food source
What an organism obtains its energy from.