Quiz on Invertebrates

What are animals that have no skeleton called?

• Vertebrates

• Invertebrates

• Mammals

• Reptiles

What is an internal skeleton called?

• Exoskeleton

• Endoskeleton

• Shell

• Tentacle

Which group of animals has a spinal cord that threads its way along the vertebrate bones?

• Invertebrates

• Molluscs

• Arthropods

• Vertebrates

What percentage of animals on Earth are invertebrates?

• 50%

• 75%

• 96%

• 100%

Which of the following is an example of an invertebrate?

• Cat

• Bird

• Giant squid

• Human

What is the purpose of the dichotomous key mentioned in the text?

• To identify plants

• To divide animals into groups

• To measure animal size

• To classify rocks

Which characteristic is used to classify invertebrates?

• Presence of a shell or hard cover

• Presence of a backbone

• Ability to fly

• Warm-blooded nature

Animals are divided into two main groups. What are the names of the groups?

• Vertebrates and Invertebrates

• Mammals and Reptiles

• Birds and Fish

• Amphibians and Insects

What percentage of animals are invertebrates?

• 50%

• 60%

• 80%

• 90%

Give two examples of animals with an exoskeleton.

• Insect and Spider

• Fish and Bird

• Frog and Snake

• Dog and Cat