Evolution over time has allowed them to adjust to their surroundings. Birds can also survive on eating less/smaller things whereas reptiles usually have to eat more to survive. Also, birds eat a lot of plants while reptiles eat a lot of meat.
codes for a specific trait
I hope this help and I will try again if it is wrong.
I'd say D but i'm not 100% sure
Answer:
My answer would also be as yours
Explanation:
at the bottom of the ocean
