Invertebrate

Invertebrates make up about 95% of all animal species. They are classified into around 30 subgroups, ranging from simple organisms like sponges and flatworms to more complex ones such as molluscs, insects, arachnids, and crustaceans.

What percentage of all animal species do invertebrates represent?

• 100%

• 95%

• 75%

• 50%

Which of the following is NOT a basic subgroup of invertebrates?

• Molluscs

• Flatworms

• Fungi

• Sponges

How many subgroups are included in the modern classification of invertebrates?

• 10

• 40

• 20

• 30

Which of the following is considered a more complex invertebrate?

• Algae

• Molluscs

• Flatworms

• Sponges

Which group includes insects and arachnids?

• Vertebrates

• Basic Invertebrates

• Complex Invertebrates

• Plants