Invertebrate Quiz

Spiders, scorpions, tics, mites, horseshoe crabs, and sea spiders belong to the phylum _____________.

• Annelida

• Arthropoda

• Arachnida

• Insecta

Jellyfish are most commonly found in the _______________ stage, where their mouth and tentacles face down.

• polyp

• medusa

The polysaccharide that many exoskeletons are made of is called _________________.

• glycogen

• starch

• peptidoglycan

• chitin

Tapeworms are considered to be what type of worm?

• Segmented worm

• Flatworms

• Roundworms

Pinworms are considered to be what type of worm?

• Segmented worm

• Flatworms

• Roundworms

Which of these phyla shows radial symmetry?

• Porifera

• Mollusca

• Platyhelminthes

• Cnidaria

I am spiny, have a water vascular system with tube feet, radial symmetry, and am called a brittle star.

• Mullosk
• Arthropod
• Echinoderm
• Cnidarian

I have a soft-body, a hard shell, and live on land and water.  What am I?

• Mollusk
• Arthropod
• Echinoderm
• Cnidarian

I have a digestive cavity with one opening, and have tentacles.  I am a hydra.

• Echinoderm
• Cnidarian
• Arthropod
• Mollusk

I have a hard exoskeleton, a segmented body, pairs of jointed appendages, and live on land and water.  I am a crab.  What is my phylum?

• Mollusk
• Arthropod
• Echinoderm
• Cnidarian