Page 140 - Primary Six Notes

Hearing in insects

 Some insects like mosquitoes collect sound vibrations
/
A using their antennae. (feelers)
/
i
; * %
t r  Others like caterpillars , butterflies and
moths use small hairs called setae found

on their body surfaces to pick sound vi-
*'
>
N
brations
i
*
J  Adult butterflies also detect sound vibra-
r >
tions through veins on their wings

Hearing in amphibians

There are three orders of the living amphibians. These

are

1. The apoda – the legless and worm like
't
e
K.
1 type such as caecilians
9*
2. The urodella – the tailed forms such as
*4
m _ i
mm & K µ > , /* mud puppies , Newts and salamanders
mm i'4 S3£ <
3. The Anura – the tailless form such as frogs

and toads.

All amphibians have ears

The hearing organ for amphibians is called the amphibians pa-

pilla