What are the variables for this part of the experiment? part 1 earthworm lab response
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Inside of an earthworm
Pharynx. Earthworms push the pharynx out of their mouths to grasp hold of organic matter. ...
Gizzard. ...
Intestine. ...
Aortic arches. ...
Dorsal and ventral blood vessels. ...
Cerebral ganglion. ...
Circular muscles. ...
Longitudinal muscles.
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