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A living thing such as a plant or animal.


All the living and nonliving conditions that affect an animal's life including other animals, plants climate, water, light, & air.


When an organism has superior or greater ability for survival.


Recognizing the similarities of organisms.


Recognizing the differences between organisms.

physical characteristics

An organism's appearance (what it looks like) such as size, color, shape, or body covering.


A living thing whose food comes from other living things.


A living thing that breaks down waste, plant & animal remains for its source of energy.

food chain

One organism is dependent on another for food.

food web

Made up of many food chains to show how food passes from multiple organisms to other organisms in the same environment.


An animal that hunts and eats other animals.


An animal that is hunted and eaten by other animals.


An organism that makes its own food such as plants.


To remain alive.

requirements for life

Different things that organisms need to survive.

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