What would happen to life on earth if all the liquid fresh water were used up?
a. all organisms would adapt to using salt water.
b. organisms would carry out life functions without water.
c. animals would be affected, but some desert plants would survive.
d. life could no longer exist on earth.

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 ?

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?