In Alaska, grizzly bears must eat 10 fish and drink up to 25 liters of water to live. Alocal river can provide about 150 fish a day without damaging the fish population. What is the limiting factor for this population?

The images show two species of tree frogs in a particular region. the gray tree frogs are adapted to the trees of the woodlands, while the green tree frogs can survive in woodlands or grasslands. the gray frog was abundant in the woodlands. because of climatic changes, most of the trees in the region died, and the woodlands changed to grasslands. in such a case, the . the gray tree frog is closely related to the green tree frog genetically, but they have different mating calls. this suggests that speciation occurred because of .