Answer:
<h2>DNA</h2>
Explanation:
<h3>there's my answer hopes it helps you out :)</h3><h3>have a great day</h3>
Answer:
The tail and the caudal fin are the chief locomotory organs of fish and are used for rapid swimming during which tail is lashed from side to side by "alternate contraction and relaxation" of the myomeres on the two sides of the vertebral column.
Explanation:
