Front

What percentage of all living animal species are invertebrates?

Back

More than 90%.

Front

Do annelids have a circulatory system with blood vessels?

Back

Yes, annelids have a circulatory system with blood vessels.

Front

What does 'Cnidaria' mean in Latin?

Back

Stinging cells.

Front

How do corals grow?

Back

Corals grow by budding.

Front

What type of organism is a sea sponge?

Back

A sea sponge is a type of invertebrate.

Front

What are the main characteristics of invertebrates?

Back

Invertebrates lack a backbone and include organisms like jellyfish, worms, and sponges.

Front

What is the primary function of stinging cells in Cnidarians?

Back

Stinging cells are used for capturing prey and defense.

Front

Name a common example of an annelid.

Back

Earthworm.

Front

What is the habitat of most corals?

Back

Most corals live in warm, shallow ocean waters.

Front

What is the significance of coral reefs?

Back

Coral reefs provide habitat for many marine species and protect coastlines.