What are the two main groups into which animals are classified?

• Mammals and Reptiles

• Vertebrates and Invertebrates

• Birds and Fish

• Amphibians and Arthropods

Which of the following is NOT a vertebrate?

• Frog

• Crab

• Mouse

• Kangaroo

What characteristic do arthropods have?

• They can fly

• They have jointed legs

• They are warm-blooded

• They have a backbone

Which of the following is an example of an invertebrate without jointed legs?

• Mollusc

• Arachnid

• Crustacean

• Insect

Which group includes animals like millipedes and centipedes?

• Birds

• Vertebrates

• Arthropods

• Mammals