Consider the given two statements:
Statement I: Sponges exhibit a cellular level of organization.
Statement II: Cnidarians have a tissue level of organization.
In light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is correct but Statement II is incorrect.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is incorrect but Statement II is correct.
Subtopic:  Phylum Porifera |
 90%
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Which of the following is not a feature of Porifera?
1. Exclusively marine animals
2. Presence of a water transport or a canal system
3. Sexes are not separate
4. Internal fertilization and indirect development

Subtopic:  Phylum Porifera |
 76%
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The collared flagellated cell shown in the given figure is called as a:
    
1. Choanocyte and helps sponges in movement of water through their canal system
2. Choanocyte and helps sponges in reproducing asexually under favourable conditions
3. Cnidocyte and helps sponges in catching their prey by paralyzing them
4. Colloblast and helps sponges in sticking to a surface
Subtopic:  Phylum Porifera |
 79%
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