Vertebrates have back bones or spines that give there body support.
False because the third line of defense is specific by identifying the foreign antigen and activating the antibodies that can bind to the invaders and eliminating the spread
Answer:
UAACUG
Explanation:
rna contains Uracil instead of Thymine.
The fight or flight response is most likely because of stress as this response usually occurs or happens when an individual is experiencing stress and when he or she is likely exposed to stimulus that will result the person to feel stressed and worn out.