Which of the following sentences below is not true of marshes, swamps, and bogs? .
a.. they can be seasonal or permanent..
b.. they have very little groundwater..
c.. they can be very important to migrating animals..
d.. they are considered the most biodiverse ecosystems.

When the grand canyon formed many small mammal population were divided. some members of the population were on one side and others are on the other, therefore, they were no able to mate with one another. over time this separation and inability to mate with one another led to the emergence of new species. this type of speciation is called a) sympatric speciation. b) allopatric speciation. c) parapetric speciation. d) peripatric speciation.