Write your answers on the blank.

diseases
lungs
protection
legs
gills
smooth skin
aquatic animals
feathers and wings
adaptation
fur
1. Animal
is the structure or behavior that helps animals to survive in their environment.
2. Fish have
for breathing
3. Animals that live in water are called
4. Most body coverings of animals are for
5. Fish are covered with scales for protection from
6. Some animals are covered with
7. Others are covered with
to keep them warm like sheep and bears.
for flying like birds
8. Some have
for breathing like earthworms.
9. Animals have body parts for moving like
for walking
10. Land or terrestrial animals have for breathing​