The floor of an aquatic biome is called the "Benthic Zone".
A mutation can either be passed down as a hereditary trait, but most mutations of the gene can be triggered by something such as radiation from the sun, or if an error is made in cell division as DNA copies itself
The answer should be 4) as it is known that uv radiation might have an effect on dna, thus causing mutations such as skin cancer in humans.
<span>In a cell that is not dividing, the unwound, filamented mass of dna and associated proteins is called chromosome or chromatin. </span>
Answer: 90% energy is your answer
