Answer:
The egg contains both food and mitochondria in addition to its vital DNA, thats why it is much larger. The sperm cell has to be much smaller than the egg cell, because it is the one that swims. If a sperm cell were as big as an egg, it would not be able to move very fast nor very far.
Their skin is thin so they're prone to drying out and they cannot hold moisture in their bodies(Waterproof skin)
I believe it should be lipids
Agree, the cells are the basic unit of life therefore it’s agree. The cell is the basic unit or cell of any organism.
