Population bottlenecks. but their genes still carry the marks of this bottleneck: they have much less genetic variation than a population of southern elephant seals that was not so intensely hunted.
i think its B. begins to divide and implants itself in the wall of the uterus
Drive less, accelerate slowly, drive until your tank is empty, avoid excessive idling, eliminate wind resistance.
There is no answer ,you wrote the answers with the question
