Yes, the pterosaurs is the ancestor of the bird.
Hello There!
Now, i'm not 100% sure on this but i think it is C.
Please let me know if it is correct..i'm sorry if it is wrong.
Hope This Helps You!
Good Luck :)
- Hannah ❤
I think conqueror etozomic genotype AA
is correct and was 50% blood type A or AB
(if you ignore the RH)
Answer:
Keratin serves important structural and protective functions, particularly in the epithelium. Some keratins have also been found to regulate key cellular activities, such as cell growth and protein synthesis