Invertebrates Science 6 BJU

Front

What type of symmetry do echinoderms exhibit?

Back

Radial symmetry.

Front

What is bilateral symmetry?

Back

Having two sides that are the same when divided down the middle.

Front

How do sponges gather their food?

Back

Through a form of filter feeding where water flows through their bodies.

Front

What phylum do crustaceans, arachnids, centipedes, millipedes, and insects belong to?

Back

Arthropods.

Front

What type of worms have segments and use hairlike setae to move?

Back

Segmented worms.

Front

What is the main characteristic of echinoderms?

Back

They have radial symmetry and move using tube feet.

Front

Name a common feature of arthropods.

Back

They have an exoskeleton, segmented bodies, and jointed appendages.

Front

What is the function of setae in segmented worms?

Back

They help in movement and anchoring.

Front

What are the main classes of arthropods?

Back

Insects, arachnids, crustaceans, and myriapods.

Front

What is the significance of filter feeding in sponges?

Back

It allows them to obtain nutrients from water.