Viruses are not made of cells, I believe.
Answer: When you study environmental science, you commit to learning of accomplish important tasks for our Earth and our human population.
Explanation: Hope this helps! :)
For the answer to the question above,
<span>The only taxon in which the biological characteristics are clearly identifiable is the <em><u>"species".</u></em></span>
If the environment is radioactive it can.
Example of radioactive genetic mutation ^^
Also if the environment has been polluted it can too.
Example of pollution genetic mutation would be a frog born with extra legs from living in a polluted pond