Structures and Functions Vocabulary Quiz 2

An action or change that causes a certain reaction in an animal

• structure

• function

• stimulus

• response

To react to a change or action

• function

• structure

• respond

• stimulus

a physical feature of an animal or plant

• structure

• function

• respond

• stimulus

the job a structure is meant to do

• function

• respond

• structure

• stimulus

a hard external covering that is waterproof

• skeleton

• exoskeleton

• heart

• vertebrate

a rigid support system that includes bones that connect to the soft structures of the body

• heart

• lungs

• exoskeleton

• skeleton

internal organ that pumps blood

• heart

• gills

• lungs

• skeleton

provides oxygen to the blood and take carbon dioxide from the blood

• skeleton

• heart

• lungs

• brain

organs found in fish that extract oxygen from the water as water flows around them

• lungs

• gills

• heart

• brain

the structure that receives information about an animal's environment

• heart

• brain

• lungs

• skeleton