ANSWER: B) False
EXPLANATION: Natural selection occurs amongst variation. Clones are all identical
The answer is; a high neutron-proton ratio
Isotopes have the same number of protons (atomic number) but differ in the number of neutrons (hence also in their mass numbers). Isotopes are named according to their mass numbers; example carbon-12, and carbon-14. Their atomic numbers remain as 6 but neutron numbers differ (6 and 8).
<span>C) parasitism.
Hope this helps!
-Payshence xoxo</span>
