Animal eating habbit question?
alee at trentu.ca
Fri Oct 10 13:55:37 EST 1997
Henry Yiu wrote:
> I am presetly preparing a class for kids and need some basic science
> information. Can anyone tell me what kind of animal eat, digest, and
> excrete at the same time all the time, and what kind of animal eat, then
> digest, then excrete, before it eats again?
> Thanks for your help.
Well, some triatomid bugs (the vector of Chagas' disease) defecate during
their meal. However, that doesn't mean the the food eaten was excreted
right away. Strickly speaking, defecation is usually not a form of
excretion for humans or generally mammals(though it is true for insects).
To answer your second question, female mosquitoes bloodfeed for each
batch of eggs. i.e. They digest and process the food and oviposition
before they take another blood meal. I'm sure there're a lot of other
animals which fit into one of the two categories. These are just two
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