External Structures
This type of structure is found on the outside of an animal's body.
External Structure
This internal structure pumps blood through the body.
Heart
A hard outer covering that is waterproof is called an?
Exoskeleton
This organ helps animals think and process information.
Brain
Sharp structures on an animal's feet used to catch prey are called what?
Claws
These cover a bird and help protect it and keep it warm.
Feathers
These internal organs allow animals to breathe air.
Lungs
A snail's shell protects its soft body. Is the shell an internal or external structure?
External Structure
The thinking part of the brain is called what?
Cerebrum
Beaks and teeth help animals do what important survival task?
Eat or catch food
Fish use these external structures to protect their bodies in water.
Scales
Fish do not have lungs. What internal structure do they use instead to breathe?
Gills
Which animal shows protection from an exoskeleton: fish, bear, snail, or slug?
Snail
A dog hears a noise and starts barking. What is the dog doing with the information it hears?
Interpreting it
Which structure helps animals breathe: claws, scales, lungs, or fur?
Lungs
Sharp structures on an animals' feet used to catch food.
Claws
The ribs protect important internal organs like the heart and lungs. What larger structure are ribs part of?
Skeleton
Why would scales be better than fur for an animal that lives mostly in water?
They protect the body and work well in wet environments
When animals react to something happening around them, they are responding to what?
A stimulus
Animals that live in water often have scales. What is one way scales help them survive?
Protection/movement in water
A lizard loses its tails when a predator attacks. The tail is an external structure that helps the lizard survive. How does this structure help the lizard escape?
It distracts the predator so the lizard can escape.
The lungs help an animal breathe. Which other structure works closely with the lungs to move oxygen through the body?
Heart
Crabs, lobsters, and insects all have exoskeletons. What is the main job of an exoskeleton?
Protect the animal's body
A dog sees a cat and begins barking. What is the stimulus that caused the dog's response?
The cat
A fish cannot survive well on land because it uses gills instead of lungs. Why do gills work better in water than on land?
Gills take oxygen from water, not air