Answer:
For the first one it's A
and for the second one it's also A (lol)
Explanation:
logicc
The water vascular system of a sea star enables movement, digestion and respiration through the use of water to exert force on limbs known as tube feet. The vascular system is primarily water but also contains coelomocytes, protein and potassium salts.
Answer:
codons
each codon encrypts a specific amino acid
Explanation: