A) Algae growing on the grass
Answer:
C: Glucose and oxygen
Answer:
Commercial fishing by humans have a negative impact on the balance of organisms in an aquatic environment.
Explanation:
Organisms are present in balance numbers in both land and marine ecosystem. This balance is disturbed by human activities such as fishing and hunting. Commercial fishing by humans have a negative impact on the balance of organisms in an aquatic environment because one fish is the food of another fish. If fishes decrease in number in the marine ecosystem, many other species which feed on these fishes die because of hunger and the whole marine ecosystem is disturbed.