I believe the answer is (B)
<span>a complex series of feeding relationships with many organisms interacting and depending on each other </span>
The answer in the spaces provided is venture and calamity. The answer is venture because sky-diving is considered to be a an activity that seems to be adventurous and dangerous in which venture means while it also results into calamity because it causes distress in which she has injured herself.
the beak is what keeps most birds alive
