Download Sponge and Cnidarian Test: Zoology B

Name:_______________________________________Period:____Date:____________
Sponge and Cnidarian Test
Matching
Use the phrases to describe each of the following words.
1.
nematocysts
a. the opening at the top of a sponge
2.
osculum
b. form of cnidarian with tentacles facing down
3.
eukaryotic
c. used in sponges for digestion, excretion and filtering
4.
choanocyte
d. cells with a nucleus
5.
spongin
e. first layer of all cnidarian body layers
6.
sessile
f. many forms of cnidarians
7.
radial
g. a cavity in which most functions takes place
8.
polyp
h. permanently fixed to a spot
9.
medusa
i. form of cnidarian with tentacles facing upward
10.
epidermis
j. symmetry with a single fixed point with arms radiating
11.
gastrovascular
12.
polymorphic
k. muscular structure of sponges, cells that give them
structure
l. cells that help to capture prey with stinging barb
Which Phylum?
Tell me whether it is in the Cnidaria or Porifera (or both) phyla.
13.
No definite head region.
14.
Almost entirely aquatic.
15.
Contains an osculum.
16.
Is polymorphic, which gives them an ecological advantage.
17.
Example includes sponges.
18.
Body has pores, canals and chambers that help with water passage.
19.
Contain nematocysts
20.
Choanocytes embedded in mesophyl.
21.
Example includes jelly fish or coral.
22.
Multicellular
23.
Skeletal structure made of collagen and silicon spicules.
24.
Food particles are trapped by collar cells.
25.
Eukaryotic
Short Answer.
Answer in complete sentences.
26-28. Draw a collar cell. Label the following: flagella, food vacuole, collar
29-30. How does the collar cell aid in digestion, excretion and water filtering?
Drawings
Label the following.
31-45.
31.
32.
33.
34.
35._____________________________
38._____________________________
36._____________________________
39._____________________________
37._____________________________
True/False
Write the word true or false in the space provided..
40.
The larvae stage of sponges is motile or free swimming.
41.
Excretion and reproduction in sponges in through diffusion.
42.
All sponges are in the Phylum Porifera.
43.
Sponges and cnidarians most likely evolved from Protists.
44.
All cnidarians have tentacles facing upwards.
45.
Sponges have an anus.
46.
Corals and sponges are the most abundant animals on many reefs.
47.
Shrimp and fish can use jellyfish as homes.
48.
Fish use sea anemones for protection.
49.
We place spicules in clay to make it stronger.
Fill-in-the-Blank
Finish each sentence.
50. Sponges reproduce using
51. The classification of sponges is Kingdom
52. Sponge collar cells contain
or gemmules.
, Phylum
which digest food particles.
Label each picture below with:
Sponge, coral, jellyfish, or hydra
53.
54.
55.
56.