The SCUBA diver hit her knee on the limestone (calcium carbonate) while watching all the different fish species swim by the colourful structures. a)Identify the ecosystem mentioned. b)Describe TWO functions of the ecosystem mentioned. (2 marks) c)Identify the MOST appropriate conservation method for this ecosystem, including all the species present. Support your response by describing why this is the most appropriate method. (1.5 marks) ENVIROMENTAL STUDIES.