How will a short term environmental change most likely affect organisms within an ecosystem

What are chlorofluorocarbons made of

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line