Why is it important for plants to hold enzymes in their functional shapes?

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

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 ?