How is the tooth adapt to its function ​

Im going to guess and say you are talking about the human tooth right? if so, the human tooth has adapted to crush small things, like nuts, and be able to mash softer things like fruit, while being able to cut into small pieces of meat as well

Explanation:

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

i won't lie i don't know so go online and ask google thats what i do