colton1788
29.09.2019 •
Mathematics
Abox is 90 cm long. what is the length of the box in feet?
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Ответ:
Earthworms are very sensitive towards the odor.
They use it for locating the food in the soil. Because earthworms are dependent upon microorganism in the soil, they must be sensible for the presence of any food around them if they do not respond the odor then they may die.
Earthworms have the escape response so they quickly respond the external stimuli at the part they are stimulated. With the increasing frequency of stimuli at the same part they slowly decrese the response towards it.