Examlex
Bacteria,protists,and fungi belong to the domain Archaea.
Calcium Crystals
Mineral deposits found in various tissues of the body, often in bones and teeth, contributing to their hardness.
Silica Crystals
Rigid, crystalline structures made of silicon dioxide (SiO2), found in nature as quartz and used industrially and scientifically for various applications.
Spicules
Small, spike-shaped structures found in certain animals like sponges, serving as a skeletal element.
Radial Symmetry
Body plan in which similar parts are arranged around a central axis, like spokes of a wheel.
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