Food and Oxygen Vocabulary Test

A substance such as a fat, a protein, or a carbohydrate that a living thing needs to survive

• nutrients
• characteristics
• food
• protein

The system of the body that brings oxygen into the body and releases carbon dioxide

• Circulatory system
• Digestive system
• Respiratory system
• Excretory system

An animal that consumes only plants

• Omnivore
• Herbivore
• Carnivore
• prey

An organism that eats other living things to get energy; an organism that does not produce its own food

• herbivore
• carnivore
• consumer
• producer

A nutrient used by animals

• nutrient
• consumer
• protein
• food chain

The process in which plants and some other organisms use the energy in sunlight to make food

• respiratory system
• oxygen
• food web
• photosynthesis

An animal that hunts and eats another animal

• predator
• prey
• herbivore
• instinct

The process by which the characteristics of a species change over many generations in response to the environment

• instinct
• adaptation
• life style

An animal that eats plants as well as other animals

• herbivore
• omnivore
• carnivore
• instinct

An animal's natural response to a stimulus; an inherited behavior

• learned behavior
• consumer
• adaptation
• instinct