Had to look for the missing options and here is my answer.
Since Barry has been taking steroids in order to enhance his performance his baseball, and he has seen some medical problems recently, the problem that is least likely to be related to the use of steroid is Obsessive-Compulsive Behavior. Most likely, he will be experiencing depression, liver damage, and <span>cardiovascular malfunction. Hope this helps.</span>
Answer:
Adaptation is necessary so species can survive in particular climates, or the species will die out. A good example is of polar bears having a thick but light coat of fur. This helps the polar bear by insulating itself while being able to swim easily.
Explanation:
Hope this helps!
