This is a preview. Log in through your library . Abstract Science teachers, school administrators, educators, and the scientific community are faced with ethical controversies over animal dissection ...

This is a preview. Log in through your library . Abstract The skull of Hyla septentrionalis is solidly roofed and partly fused with the skin of the head. The roofing bones (nasals, frontoparietals, ...

Explore the anatomy of a frog through detailed dissection. Observe internal organs, circulatory & reproductive systems. An educational look at amphibian biology. Trump makes major Ukraine reversal, ...

Spring is a time of year when nature awakens from its winter sleep and many newborn animals look around for the first time at their new homes on this remarkable planet. It is also that time of year ...

The study of thin sections, peels, and SEM micrographs of skeletons, and sections of skeletons and soft parts together, has revealed new morphology and anatomy resulting in new growth and functional ...

Thirty-seven characters of external morphology, myology, osteology, life history, and chromosome morphology are studied. For each character, the evolutionary directions of changes of states are ...

Mammalian lingual structures are a paradigmatic example of evolutionary adaptation and functional specialisation. The tongue not only facilitates critical processes such as food manipulation, taste ...

Biodiversity is increasingly ruined by humanity's many impacts, a major aspect of which is biological invasion. Although there are a lot of studies reporting that invasive predators decrease the ...