Examen
TAMU BIOLOGY 112 Top Questions and CORRECT Answers
- Cours
- Établissement
Phylum Porifera - No true tissues Asymmetrical symmetry Taxa: -Silicea (glass sponges) -Calcarea (rest of sponges) Osculum - Water exit in sponges Spicules - -Skeletal components of sponges made of silica, calcite or spongin -Produced by amoebocytes Choanocytes - Spong's filter-feeding ...
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