O2 and CO2. Their lungs aren't as developed for land life as ours so they complement that by breathing through their moist skin.
External fertilization
Fertilisation takes place externally. The female produces frog spawn and the male fertilises the frog spawn outside the female's body.
Fertilisation takes place externally. The female produces frog spawn and the male fertilises the frog spawn outside the female's body.
To breath when the rest of them is underwater
Yes, a large part of the film takes place in the Louisiana bayou.
About 362 years but the African slug frog takes 731 years
on call of duty modern warfare:3 on the map dome.
In the book "Voyage of the Frog," the Frog is on a mooring in a small cove in Maine when the story begins. The protagonist, David, goes there to spend time alone and reflect after the death of his uncle.
Frog's fertilisation takes place externally. As the female lays her spawn, the male fertilises the eggs.
The skin of a frog is suitable as a minor respiratory organ because it is thin and moist, allowing for oxygen and carbon dioxide exchange to occur directly through the skin. The capillaries near the skin surface help facilitate gas exchange, making it an efficient way for frogs to breathe, particularly when they are underwater or in environments with low oxygen levels.
He had a frog in his throat. The frog croaked at the edge of the pond.
A Place?