<span>A complex molecule containing the genetic information that makes up the chromosomes is DNA.
</span><span>A complex molecule containing the genetic code is RNA. </span>
The first organisms to inhabit Earth were prokaryotes that
lived 3.5 billion years ago. prokaryotes are well organised, achieving all of an organism’s life functions
within a single cell. These were the precursors to eukaryotic cells
10% of the energy is transferred to the next trophic level and the other 90% is lost through the metabolic process
Cell specialization allows cells to perform essential cell specific tasks. Such as nerve cells, red blood cells etc.