How do animals born in egg without mother ( like turtles) know what to do with their lives ?

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How do animals born in egg without mother ( like turtles) know what to do with their lives ?

In: Biology

Just pure animal instinct. Every animal has natural instincts (even humans) that make them do certain things: eat, drink, hide from predators and mate. These instincts are thought to come from the genes on the animal. Those turtles who’s first thought was to enter the sea, survive long enough to pass on their genetics, those who didn’t, died