Help as soon is possible pls (project) What types of skeletal changes occurred during whale evolution?

The changes of the skeleton were that the whales use to have legs and hands, but as they evolution then they loss there hand as and legs, the body got bigger and well, its mouth growed bigger.

Explanation: For example from a corrodile it turns as a common whale.th

Hope this helps:)

Like Noctis said it evolutionated from legs and arms to no legs and no arms.

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.

tissue

explanation:

it is actually formed by geoup of cells which is tissue