Nafrican savannas elephants are a keystone species. elephants eat small trees, such as acacia, that grow on the savanna. even if an acacia tree grows to a height of several feet, elephants are able to knock over the tree and uproot it.

imagine a drastic decline the elephant population that lives within the african savannas. what would be the inevitable result?

Which organelle breaks down sugar molecules that supply energy to the cell ?

Describe the layers of the suns atmosphere?

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 .