The body wall of sponges contain ____________ which forms the skeletal frame work
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The body wall of sponges contain spongins/spicules which forms the skeletal frame work.
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Answer:
hello..
Explanation:
Most sponges secrete minerals such as calcite, aragonite and/or silica to build a complex and strong skeletal framework composed of elements called spicules, providing protection and the maximum of contact between cells and their surrounding water...
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