1a)Morphological variation refers to the noticeable
physical appearance of individual of the same
species . for example in human beings
morphological variation include, height of the body
, shape of the body etc
1b) pollination can be define as the transfer of
pollen grains from the anther to the stigma of a
plant
(4a)
(i)voluntary action;these are activities performed willingly by animal eg jumping and dancing
(ii)involuntary action;these are activities that are performed unwillingly eg eye blink and heart beat.
(4b)
(i) cochlea
(ii)During sound effect,the pinna collect sound waves in the air and passes them on through the external auditory canal.the wave causes the tympanic memebrane to vibrate.the vibration are passes on to the ear ossicles which amplify.the fenestral ovalis also vibrate passing the wave into cavity of the cochlea,where the perilymph vibratea and transmits the wave in the cochlea causing the endolymph of the cochlea to also vibrate.the vibration are transmitted to the sensory nerve cells where the interpretation of sound takes place.
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