They started to have more experience with them and make more items with it such as spears and weapons for hunting
Although large predators are faster then small predators the latter show higher performance in unsteady swimming therefore bigger predators relay on accuracy more then smaller predators as where then can do evasive maneuvers.
Answer:
Reverse dutch auction
Explanation:
Reverse dutch auction- it is opposite to the traditional dutch auction which starts from higher bid then goes to the low bid. In reverse dutch auction, bid start form low bid then toward a high bid.
In this auction, a list of item that buyer are interesting in buying has made and after a fixed interval of time the price of the item raised and it raised until the reverse the desired price reached
