Transcript Porifera Cnidaria review slides

1. What directional term is given to the
anatomical positions pictured below?
B
C
A
D
2. What type of symmetry does each of
the following organisms have?
A
B
C
3. Name the three stages of animal
development (1, 2, 3) pictured below.
1
3
2
4. The gastrula differentiates into 3 layers
of cells. What types of cells does each
layer give rise to?
___Ectoderm
a. Skeleton and muscle cells
___Mesoderm
b. Skin and sense cells
___Endoderm
c. Digestive and respiratory cells
5
5. Describe the path of water flow (enter/
exit) in a sponge.
6. List 4 ways a sponge can reproduce.
7. Which cell in the sponge wall digests
the food?
a. Spicule
b. Spongin
c. Amoebocyte
d. Mesoglea
8. Sponges are classified
based on ____.
a. Body types
b. Composition of skeleton
c. Reproductive differences
d. Methods of feeding
9. Identify the structures below.
10. Name the phylum of these organisms.
11. By which method do sponges obtain
their food?
a.Capture with tentacles
b.Exocytosis
c.Filter feed
d.Budding
12. What substance makes up the shape
of this organism?
13. Identify each cell.
A.
B.
14. Give 1 function of each cell.
A.
B.
15. Name the phylum of these organisms.
16. Name the 2 main characteristics
organisms of this phylum have in
common.
17. Name the body type of each.
A
B
18. What types of cells line the tentacles
of a cnidarian?
19. What is the harpoon found inside a
stinging cell called?
20.
a. Give the name of this organism.
b. Identify the structure (arrow).
21. This organism produces 2 different polyps.
What is the function of each?
A.
B.
22. a. Name the body form of this organism.
b. This organism is sessile. Define sessile.
23. Cnidarians have true tissues.
(endoderm,ectoderm,mesoderm)
A.Name the tissue represented by red.
B. Name the tissue represented by blue.
C. Name the cavity with arrow.
24. Choose:
Porifera
Cnidaria
Both
a.Respiration by diffusion
b.Nerve cells
c.Gastrovascular Cavity
d.Specialized cells, lack tissues
e.One opening (mouth/anus)
f. Sexual and asexual reproduction
g.Invertebrate
h.Produce gemmules during harsh conditions
i. Blastula/ gastrula stage of developement