Invertebrates

Front

What are invertebrates?

Back

Invertebrates are animals that do not have a backbone. They make up about 95% of all animal species.

Front

What is a segmented worm?

Back

Segmented worms are invertebrates with long tube-like bodies divided into segments. They breathe through their skin.

Front

What is a mollusk?

Back

Mollusks are soft-bodied invertebrates that often have a thick muscular foot for movement. Some have shells.

Front

What are arthropods?

Back

Arthropods are invertebrates with jointed legs, segmented bodies, and exoskeletons. Examples include insects and spiders.

Front

What is an exoskeleton?

Back

An exoskeleton is a hard support structure on the outside of an animal, providing protection and support.

Front

Can you name a type of arthropod?

Back

Examples of arthropods include insects (like ants and butterflies) and arachnids (like spiders and ticks).

Front

What is the main characteristic of sponges?

Back

Sponges are simple invertebrates that have porous bodies and lack true tissues and organs.

Front

How do segmented worms breathe?

Back

Segmented worms breathe through their skin, which must remain moist to allow for gas exchange.

Front

What is the function of a mollusk's muscular foot?

Back

The muscular foot helps mollusks move and can also be used for digging or attaching to surfaces.

Front

What are the three main groups of invertebrates?

Back

The three main groups of invertebrates are arthropods, mollusks, and segmented worms.