Apopulation of plans going on an island consist of two varieties ones with thorns in the other without over a period of many years, the variety with someone’s gradually disappeared. which process most likely brought about this change in the plant population? natural selection gene flow genetic drift a random mutation

problaby different gene mutations  and all that fancy stuff but yes  

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.