The first one. Gametes are the reproductive cells: sperm and egg cells. These contain the info that is passed on to the offspring, so an inherited mutation must be present in the gametes.
1. <span>Soil Erosion Upstream
2. </span><span>Loss of habitat
Hope this helps!</span>
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.
Where they have there effect on the tissues cells
