Invertebrates

What are Invertebrates?

• Animals with backbone.

• Animals with no backbone.

Check all the Invertebrates.

• Dragonfly

• Octopus

• Snake

• Scorpion

Sponges have pores and holes on their bodies. They belong to Phylum __________.

• Cnidaria

• Echinodermata

• Arthropoda

• Porifera

What invertebrate is this which belongs to Phylum Mollusca?

• Snail: Echinoderms

• Snail: Mollusk

• Snail: Worms

• Snail: Cnidaria

Tags

NGSS.MS-LS1-1

Arthropods have three classes. They are grouped according to what number of structures in their body?

• Number of Head

• Number of Legs

• Number of Wings

All worms belong to each of this phylum. Check all three.

• Platyhelminthes

• Annelida

• Nematoda

• Cnidaria

These are Arthropods that are named after their chelicerae (mouth part). They have 8 legs.

• Insects

• Crustaceans

• Chelicerates

Cnidarians and Echinoderms have RADIAL SYMMETRY. How many imaginary line/s is/are used to divide these animals?

• One

• More than one

Invertebrates are created with different characteristics. Check all that applies.

• Eukaryotic and multicellular.

• Endothermic.

• No backbone and no notochord.

• Ectothermic.

Worms, Echinoderms, Mollusks and Arthropods have COMPLETE GUT. What does it mean with having Complete Gut?

• One opening for both the food and the wastes.

• Three openings for the food and other wastes.

• Two openings - one for the food and one for the wastes.