What specialized structures does an earthworm (lumbricus) have to acquire food and also to process the...
What specialized structures does an earthworm (lumbricus) have
to acquire food and also to process the food it eats.
Homework Answers
Earthworms mouth is indeed known as prostomium and this is pointed and hard where this allows it consume food while the gizzard which are special features of earth worm which is also known as pure stomach allows earthworm to soften the food before passing it to the actual stomach
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What specialized structures does an earthworm (lumbricus) have
to acquire food and also to process the...
question The earthworm absorbs oxygen directly through its skin. The worm does have a good circulatory...
question
The earthworm absorbs oxygen directly through its skin. The worm does have a good circulatory system (with multiple small hearts) that brings the oxygen to all the cells. But the cells are distributed through the worm's volume and the oxygen only gets to come in through the skin-so the surface to volume ratio plays an important role. Let's see how this works. Here are the worm's parameters. A typical specimen of the common earthworm (Lumbricus terrestris) has the following...
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question
The earthworm absorbs oxygen directly through its skin. The worm does have a good circulatory system (with multiple small hearts) that brings the oxygen to all the cells. But the cells are distributed through the worm's volume and the oxygen only gets to come in through the skin-so the surface to volume ratio plays an important role. Let's see how this works. Here are the worm's parameters. A typical specimen of the common earthworm (Lumbricus terrestris) has the following...
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