Earthworms push the pharynx out of their mouths to grasp hold of organic matter. They pull the food back into their mouths and then wet it with saliva.
Acknowledgement: Sara L Roggemann, Three Flowers Photography
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Earthworms push the pharynx out of their mouths to grasp hold of organic matter. They pull the food back into their mouths and then wet it with saliva.
Acknowledgement: Sara L Roggemann, Three Flowers Photography
