1. Invertebrates!
Created by Educational Technology Network

2. Platyhelminthes & Nematoda Arthropoda & Echinodermata
Porifera & Cnidarians
Platyhelminthes & Nematoda
Mollusca & Annelida
Arthropoda & Echinodermata
Definitions 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

3. Topic 1 – 10 Points What is an example of a Poriferan? QUESTION:
ANSWER:
Sea Sponge

4. Topic 1 – 20 Points Radial QUESTION: ANSWER:
Cnidarians have what type of symmetry?
ANSWER:
Radial

5. Topic 1 – 30 Points How do Poriferans get their food? QUESTION:
ANSWER:
filter feeders: each cell takes in microscopic food particles

6. Topic 1 – 40 Points What are the two Cnidarian body types? QUESTION:
ANSWER:
Medusa and Polyp

7. Topic 1 – 50 Points
QUESTION:
What is the name of the special cells that create a current through the sponges?
ANSWER:
Choanocytes

8. Topic 2 – 10 Points QUESTION: ANSWER: Bilateral
What type of symmetry do Nematodes have?
ANSWER:
Bilateral

9. Topic 2 – 20 Points How many tissue layers does a Platyhelminthe have?
QUESTION:
How many tissue layers does a Platyhelminthe have?
ANSWER:
Three – ecto, meso, endo

10. Topic 2 – 30 Points
QUESTION:
Name two examples of both Platyhelminthes and Nematoda.
ANSWER:
Tapeworm, fluke, Planaria
Roundworm, heartworm, Ascaris, porkworm

11. Topic 2 – 40 Points
QUESTION:
What type of body cavity does the Platyhelminthe have? Nematoda?
ANSWER:
Acoelom, Pseudocoelom

12. Topic 2 – 50 Points How do these phyla get their oxygen? QUESTION:
ANSWER:
Diffusion through the skin

13. Topic 3 – 10 Points
QUESTION:
What type of body cavity does the phylum Mollusca have?
ANSWER:
Coelom

14. Topic 3 – 20 Points Give two examples of the phylum Annelida.
QUESTION:
Give two examples of the phylum Annelida.
ANSWER:
Earthworm, leech, palolo worm

15. Topic 3 – 30 Points QUESTION: ANSWER:
What are three subgroups in the phylum Mollusca?
ANSWER:
Gastropoda, Cephalopoda, Bivalvia

16. Topic 3 – 40 Points
QUESTION:
What are two possible reasons that earthworms surface after a rain storm?
ANSWER:
Vibrations and Migrations

17. Topic 3 – 50 Points QUESTION: ANSWER:
For Mollusca the ________ tissue secretes _________ which makes the shells and pearls.
ANSWER:
Mantle, nacre

18. Topic 4 – 10 Points List the three segments of an arthropods body.
QUESTION:
List the three segments of an arthropods body.
ANSWER:
head, thorax, abdomen

19. Daily Double Topic 4 – 20 Points
QUESTION:
List all the parts of the water vascular system in order.
ANSWER:
Seive plate, stone canal, ring canal, ray canal, tube feet
Daily Double

20. Topic 4 – 30 Points What are the three subgroups of Arthropods?
QUESTION:
What are the three subgroups of Arthropods?
ANSWER:
crustaceans, insects, arachnids

21. Topic 4 – 40 Points Spiny skin, jointed foot QUESTION: ANSWER:
What does “Echinoderm” and “Arthropod” mean?
ANSWER:
Spiny skin, jointed foot

22. Topic 4 – 50 Points Why are insects small?
QUESTION:
Why are insects small?
ANSWER:
Exoskeletons don’t stretch, they must molt in order to grow.

23. Topic 5 – 10 Points QUESTION: ANSWER:
Outermost tissue layer – develops into skin and nerve tissue
ANSWER:
Ectoderm

24. Topic 5 – 20 Points QUESTION: ANSWER:
“first the mouth” - These animals develop mouth first
ANSWER:
Protostome

25. Topic 5 – 30 Points Hollow ball of cells during embryonic development.
QUESTION:
Hollow ball of cells during embryonic development.
ANSWER:
Blastula

26. Topic 5 – 40 Points
QUESTION:
stinging cells
ANSWER:
Cnidocytes

27. Topic 5 – 50 Points Doesn’t move, remains stationary for adult life.
QUESTION:
Doesn’t move, remains stationary for adult life.
ANSWER:
Sessile

28. Final Jeopardy Question:
What is the order of an earthworm’s digestive system? (7 parts)
Answer: Mouth, pharynx, esophagus, crop, gizzard, intestine, anus