7 天
ZME Science on MSNHuman Urine and Frogs: How a Bizarre Pregnancy Test Helped Unleash a Global Amphibian CrisisThe African clawed frog is an evolutionary marvel — an entirely aquatic species with powerful hind legs, flattened bodies, ...
The tank water was routinely changed three times ... Figure 1: The oral cavity of a 1.5-year-old, female African clawed frog (Xenopus laevis) at necropsy.
After a heavy rain swells pools in the African landscape, male frogs gather in poolside vegetation and call for mates, while females in the pools absorb water through their skin. When she’s ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果