39. What is needed for the ecosystem to support the greatest variety of
organisins over the longest period of time?
A. Variety of organism
B. Wide variety of animals
C. wide variety of bacteria
D. Wide variety of minerals
40. The fishermen in the barangay use dynamites in order to have a big catch.
If this practice continues, what do you think will happen to the marine resources ?
A. Fishes will multiply fast.
B. Marine life will increase
C. Marine life will decrease.
D. The coral will multiply​