Answer:
it's too early for this, also im pretty sure all we know is that their ancestors are wolves and that's it.
Explanation:
Answer:
A shark's skeleton is made of cartilage , a type of strong but flexible tissue .Most other fish are covered in smooth , flat scales . A shark is covered in sharp , toothlike scales called denticles . Most other fish have flaps over their gills.
Explanation:
I hope it's help yu and plz mark me brainliest........... plz plz plz
Answer:
E.
Explanation:
Genes are segments on DNA that code for specific proteins and come in various forms called alleles.
The answer is c Ability to contract upon freezing