Incredible Invertebrates Quiz

What percentage of all animals on Earth are invertebrates?

• 97%

• 25%

• 50%

• 75%

What is the hard covering that some invertebrates develop called?

• Exoskeleton

• Carapace

• Armor

• Shell

Which group of invertebrates includes animals with jointed exoskeletons?

• Echinoderms

• Arthropods

• Annelids

• Molluscs

What material is the exoskeleton of arthropods made of?

• Collagen

• Chitin

• Keratin

• Calcium

How many legs do insects typically have?

• Ten

• Eight

• Six

• Four

What do arachnids typically have that insects do not?

• Wings

• Eight legs

• Exoskeleton

• Jointed legs

Which of the following is NOT an example of a crustacean?

• Crab

• Lobster

• Shrimp

• Spider

What does the term 'myriapoda' mean?

• Soft body

• Jointed legs

• Many legs

• Spiny skin

Which mollusc can measure up to 20 meters long?

• Snail

• Giant squid

• Clam

• Cuttlefish

What is the main characteristic of annelids?

• Soft bodies

• Segmented bodies

• Jointed legs

• Exoskeleton