The new species come from old ancestors of the animals that were there, over time they slowly evolved, and they adapted to that new environment.
Hopes this helps:
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.
It helps move wastes out of the cell and allows water and nutrients to move into the cell
Hello
Your hand went into a shock because of overuse it is a common thing
Hope this helps
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