A and D have a good day bye bye bye
This answer should be Detritivores but if that word doesn’t look familiar it could be decomposers
I know carbon dioxide is, I don’t think oxygen and water vapour are. I don’t know the others, sorry
It is D
:D =-O :-P ;-) :-( :-) :-! :-$ B-) :O :-* :-D :'( :-\ O:-) :-[
If the beavers need large teeth to collect wood for their dams, the population of beavers with larger teeth will live longer because they can collect wood. They will them be able to reproduce therefore passing down the gene with larger incisor teeth