I believe the answer is C. the need to acquire energy from other organisms
This is however an educated guess, but I hope this helps! :)
You didn’t put any of the choices for the risks, but I believe something important to consider is making sure that the tourists return the umbrellas.
Answer:
The coral reefs of the Caribbean are thought to be under threat
Explanation:
Overfishing threatens over 60 percent of Caribbean coral reefs. Declines in coral cover and increases in algal cover have been observed across the region. This analysis identified about one-third of Caribbean reefs at high threat from overfishing pressure and about 30 percent at medium threat.
Rod: night vision
Cone: day vision
i had this at one point your best bet is to google "worksheet"