Question

puzzle #2 - anatomy of a sponge
observe the picture on this page. which structure is each arrow pointing to?
word bank:
a. mesohyl
b. pinacocyte
c. ostia
d. holdfast
e. choanocyte
f. osculum
g. sclerocyte
h. porocyte
i. oocyte
j. amoebocyte
k. spongocoel
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Explanation:

Sponges have various cell - types and structures. By referring to the typical anatomy of a sponge and matching with the word - bank terms, we can identify the structures.

Answer:

1. D. Holdfast
2. K. Spongocoel
3. C. Ostia
4. B. Pinacocyte
5. H. Porocyte
6. A. Mesohyl
7. J. Amoebocyte
8. G. Sclerocyte
9. F. Osculum
10. E. Choanocyte
11. I. Oocyte