The smallest thing they study is cells, i think!
hoped this helped!!
Asexual And Sexual is the correct answer
Not sure what the following is, but I think it could be less carbon in the soil
The only mutations<span> that matter to large-scale evolution are those that can be </span>passed on<span> to </span>offspring<span>. These occur in reproductive cells like eggs and sperm and are called germ line </span>mutations<span>. A single germ line </span>mutation<span> can have a range of effects: No change occurs in phenotype.</span>
