when a sperm cell and an egg cell fuse they form a diploid cell known as zygote
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Answer:
The body of a fish is streamlined because, it increase the speed of the fish in the water. The more the streamlined shapes more easier for the fish to swim in the water.
THINK OF IT THIS WAY IF WE HAVE NO CELLS IN USE WE DIE we need cells to live
Answer:
yes i think it is nervous system