Use what you learned about Earth's movement in space to complete the sentences using the drop-down menus.
The Sun appears to move in the sky because
m, which causes day and night.
Each year Earth
m. ltr path, or , is shaped like an ellipse.

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 .