The answer is spicules. These
sharp-pointed structures are formed from calcium carbonate skeleton of
the organisms. They can also be formed from silica. They can be big (megascleres),
or microscopic (microscleres). Also dependent on the number of axis on the spicules, they are classified as monoaxon,
triaxon or polyaxon.
Answer:
the sun is almost 390 times farther away from the Earth than is the moon, its high mass still affects the tides. Because the Earth’s surface is not uniform , tides do not follow the same patterns in all places.
Explanation:
Blood cells are produced in the bone marrow and the bone marrow is part of the skeletal system. So the answer would be skeletal system<em>. </em>
Answer:
stomach acids to help break down the food
<span>The nurse should explain that cigarette smoking is not suggested for clients like you that have vascular problems.
</span><span>Smoking will increase the risk of developing intermittent claudication. Stop smoking will be beneficial since it could prevent the disease progress into rest pain It also reduces the risk of heart attack.</span>
