From what age are the earliest discovered paintings of swimmers?

Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

Recombinant dna (rdna) creates offspring which are genetically identical to the parent is the process of breeding only organisms with desirable traits involves the removal of the nucleus of a cell combines genes from organisms of different species in a lab