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.
Fossil fuel + oxygen gas -------> carbon dioxide + water + heat
White Blood cells Because they are produced in your body and they are constantly used more than they are replaced
Answer:
Alternating
Explanation:
the arrangement of the sides of the
DNA molecule bonding is Alternating
Answer:
Abiotic
Explanation: Water is not a living thing, therefore water is an abiotic factor.