Questionnaire

Choose the animals that have an internal skeleton.

• 
• 
• 
• 

Choose the animals that do not have an internal skeleton.

• 
• 
• 
• 

Babies grow inside the egg before they are born.

• Viviparous

• Oviparous

• Mammals

They are ...

• Mammals

• Oviparous

• Reptiles

The platypus (ornitorrinco) is viviparous or oviparous?

• Oviparous

• Viviparous

Choose a characteristic for the bird.

• It has feathers.

• It has four wings.

• It has four legs.

Who has lungs.

• 
• 
• 

Who has gills.

• 
• 
• 

Arthropods have...

• They have six or two legs.

• They have six, eight or ten legs.

• They have only eight legs.

Choose the animal that goes through metamorphosis.

• 
• 
•