its their ears but they're covered to protect from water
Circles with the same radius are congruent circles.
Concentric circles are circles with the same common centre.
why are the triangles and semi circles on the symbol for a cold front and a warm front facing in one direction The symbols are on the side in which the front is moving. If it is stationary then it alternates.
Circles in the same plane with the same center are concentric circles.
concentric circles
You know by the big or small hole on the side of their head.
Tympanic membranes-- essentially 'eardrums' much like the eardrums deep inside our human ears. Frogs don't have external pinnae (ears) like we do, but you do see their eardrums right there on the side of the head.
Frogs are just very sensitive to sounds and movement- it is natural for them as they are preyed upon by many species. The ears on the side of their head I believe aids them in sensing movement in their environment.
That'll be the head circles.
frogs have no brains
frog. Cats and giraffes both have physical ears but frogs have holes in the side of their head for hearing.
yes it is .
Sounds, which are nothing more than vibrations, can actually be heard better and further underwater than in air. So I would think frog's ears would be useful both underwater and sitting on land, to detect noise/vibrations of predators and to detect mates.
Pivot.
At the side of their heads
Having a short walk and stretch every hourFeet exercises like making them go around in circles and up and downMove your head from side to side, up and downDo circles with your arms and shouldersStretch your fingers and move them aroundPLUS: When doing exercise make sure your always feeling happy :)
On it's head