Their mode of fertilization is external.
They lay eggs in the water and there is a chance of destruction of these gametes by water current if they are in less quantity.
So they lay more and more eggs in order to rule out the possibility of destruction of all eggs.
Thus at least some eggs are fertilized by sperm and produce zygote.
Answer:
Scurvy is caused due to the deficiency of <u>Vitamin C</u>
Explanation:
Scurvy is a very rare disease resulting from vitamin C deficiency. Vitamin C is also known as ascorbic acid. This disease results in low red blood cell count, bleeding from skin, gum diseases, changes in hair and personality, slow wound healing and finally death.
Scurvy can occur if the diet contains little to no Vitamin C for over a month.
