Which organisms are more closely related, [bears and lizards] or [bears and newts]? How do you know?

Bears and lizards are more closely related.

Explanation:

The chart shows the branches of the species. The relativity of each species to each other shows how closely related they are.

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.