Invertebrates. G4

These animals do not have backbones.

• Vertebrates

• Invertebrates

• Exoskeleton

• Pores

Unsegmented soft-bodied invertebrates that usually have shells.

• Sponges

• Mollusks

• Segmented worms

• Arthropods

Which group has a tubular body with many compartments and breathes through the skin?

• Arthropods

• Annelids

• Echinoderms

• Sponges

Which group has radially symmetrical bodies with spikes and breathes with tube feet?

• Annelids

• Mollusk

• Echinoderms

• Arthropods

This group consists of filter feeders and has many pores in its body.

• Arthropods

• Mollusks

• Segmented Worms

• Sponges

This group has jointed legs, segmented bodies, and exoskeletons.

• Sponges

• Mollusks

• Arthropods

• Segmented Worms

What term describes the structure that supports and protects the outside of an animal's body?

• Exothermic

• Endoskeleton

• Exoskeleton

• Endothermic

Slugs and snails are...

• Annelids

• Mollusks

• Arthropods

• Sponges

Insects and arachnids (spiders and ticks) are...

• Arthropods

• Mollusks

• Annelids

• Sponges

Clams, squids, and octopuses are...

• Sponges

• Annelids

• Arthropods

• Mollusks