To protect the inside of the ears from dust and dirt.
Keeping its ears warm.
The ears of male and female koalas do not differ in any way. The only way koala ears differ is that koalas from southern parts of Australia have ears which have shaggier fur and tend to be browner in colour.
2"
its ears and nose
Yes. Koalas have ears, just as other mammals do, and their sense of hearing is known to be quite keen.
no
Hairs on nostril and ears act as filters to trap dust . On the skin and body it helps to keep the body warm.
No, but bees can perceive the movement of air particles over a short distance, it is thought viâ the Johnston's organs (hairs) on the basal antennal segment.
Depending on the predator, yes. Koalas have acute hearing, and can certainly hear ungainly creatures such as domestic dogs, as well as stealthier animals such as dingoes. They would be unlikely to hear a python.
It is important NOT to because they are important for filtering and feeling and warmth.
My partner picks the hairs from my ears quite regually with tweezers its never done my hearing or me any harm
No. Koalas, which are not b ears, do not live in the river. They live in eucalyptus trees. However, koalas are certainly found in gum trees (eucalyptus) which line many of Australia's eastern rivers.