Practica 9, Pérez López Devany Gidalthy, 407.
PUNTUATION ° F ULL STOP The ecosystem is a biological system made up of a community of living organisms (biocenosis) and the physical environment where they are related (biotope) . °COMMA It takes into account the complex interactions between organisms (eg plants , animals , bacteria , protists and fungi) that make up the community (biocenosis) and the energy and material flows that go through it. °COLON It can also be defined as follows : "An ecosystem consists of the biological community of a place and the physical and chemical factors that make up the abiotic environment." °BRACKETS The different ecological types of organisms ( producers, decomposers, predators, etc. ) . °HYPHEN There is an attempt by the United States Geological Survey (USGS) and the Inter - American Biodiversity Information Network (IABIN) to design a comprehensive ecosystem classification system. °QUOTATION MARKS Any unit that includes all organisms (ie: the " commun...