What is a coast and its importance - Iczmpwb.org
What is a coast and its importance - Iczmpwb.org
What is a coast and its importance - Iczmpwb.org
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S<strong>and</strong>y Shore<br />
• A s<strong>and</strong>y beach <strong>is</strong> made up of minute<br />
grains of s<strong>and</strong> or crushed shells <strong>and</strong><br />
rock.<br />
• S<strong>and</strong>y shores are exciting places with<br />
life in <strong>and</strong> underneath the water.<br />
Factors affecting animals<br />
• Wave action – Organ<strong>is</strong>ms burrow deeply<br />
<strong>and</strong> live in it – bivalves, shore crabs,<br />
annelids etc.<br />
• S<strong>and</strong> dollars (echinoderm) accumulates<br />
iron compounds in a special area of<br />
their digestive tract <strong>and</strong> the iron serves<br />
as a weight belt to keep them down in<br />
the presence of wave action.<br />
• Animals buried themselves during day<br />
time in order to avoid heat.
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