The answer is Neolithic or the New Stone Age. The Neolithic period is known for the spread of agriculture, used of stone tools and also the time where the cereal cultivation for agriculture and animal domestication were introduce and lastly the appearance of pottery is also known as a symbol during this time.
It is symbiosis, but also called a commensalism relationship because the remora is getting its food and the shark has no benefit.
<span>They indicate many forms of hominins spent considerable time in trees.</span>