Answer:
because they have different genes
Explanation:
when animals mate or reproduce the parents share each other genes to make thr offspring when that accurse different beetles can have different genes that could code for longer horns or shorter. Their could also be a mutation.
the answer is iron(Fe)
forest succession
hope this helps!
D
sorry if im to late
answer you looking for is i think Phosphorylation.
please ask the question more meaningfully