This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Tierbau und tierleben in ihrem zusammenhang betrachtet . Xafel VI Grastferc Sofiein effe Sterbau ii Sierleen II Tafel VI Illustration biodiversitylibrary org title Doflein Franz Hesse Richard Biodiversity Heritage Library Tierbau und tierleben in ihrem zusammenhang betrachtet Anatomy Comparative Morphology Animals Physiology