T he life cycle of a frog activities make science exciting by turning a simple lesson into something kids can see and understand. From tiny eggs floating in water to tadpoles sprouting legs and ...

DESCRIPTION: The Oregon spotted frog is two to three inches ... due to freezing and desiccation. LIFE CYCLE: Oregon spotted frogs gather in breeding ponds in early spring. Females lay egg masses ...

Researchers from the US studied the plasticity in growth and development of wood frog larvae in response to the emerging disease ranavirus, which can kill off the entire population of ponds. They ...

After a few weeks, the tadpoles grow little legs and their ... In time, these frogs will be able to lay their own frog spawn and their life cycle will begin again. But frogs aren't the only ...

"Here we show that in response to ranavirus, wood frog ... of the life-history plasticity common to many amphibians, growth and development can vary independently: for example, tadpoles may ...