to allow air to enter into enter their body
Crocodiles are often seen on the beach, looking like they are asleep, with their mouths open. What they are doing is basking, they keep their mouths open to regulate their body temperature. People sweat, dogs and cats pant, and crocodiles open their mouths :)
Many fish swim with their mouths open. They swim with their mouths open because the water goes into their mouths and out their gills, which is how they breathe.
Frogs will eat any live animal they can stuff in their mouths, so yes, they are predators.
Frogs do not drink water through their mouths like humans do. They absorb water through their skin while sitting in or near water. This allows water to pass through their skin and keep them hydrated.
Crocodiles open their mouths for 2 reasons: to cool off and to let spur-winged plovers get rid of parasites. the cooling is possible because the open mouth has more volume (surface area) for heat to escape.
eels must open and cloth their mouths constantly in order to circulate water over their gills
Alan Brunacini
with their mouths
using their glass mouths.
The temporomandibular joint (TMJ).
No. If they didn't open and close their mouths, water couldn't flow through their body, and then out their gills. Thus, they wouldn't survive.
Because they need big enough mouths to get some of those big bugs in their mouths that they eat.
No, frogs usually close their eyes when swallowing their food. The muscles related to their eyes help them in the process of gulping food down their throat.
Its located in the frogs upper part of its mouths.
by having a zygote
I would think they breathe with there mouth underwater.
to eat, or to sing, or to vomit into the mouths of their children