"<a href=""https://www.youtube.com/watch?v=-jA2ABHBc6Y&amp;t=49m25s"">49:25</a> Maybe there is a way to unpack billions of years of evolution and all the patterns that evolution has programmed. Genetics seems like an interesting topic to wrap one's mind around. Its obviously a lot more complicated", than just nucleotides, base pairs, sugar and alleles.,(reply>), But I wonder why scientists say that biology is hard. Meaning, what are the mechanics that drive this statement. Because, what if the assumption that I am making are not the sort of circumstances that are making the scientists say that bio is hard