A mystery organism is non living
Head,Thorax,abdomen and six legs
What remains left is called a <span>Fossil</span>
Answer:
Explanation
Water in a lake freezes from the bottom up, killing most aquatic organisms. When water in a lake freezes, it floats, providing insulation for organisms below. ... If water were most dense as a solid, lakes would freeze from the bottom up, eventually freezing solid.
