compare digestive systems of the earthworm, frog, and squid. include how food is ingested, how nutrients are extracted, and how waste is processed.should include..an introduction to each species, describing its external and internal characteristicsa table with a column for the components of the system and a column for each specimen. fill in the cells with a description of each component in each species. a summary of the similarities and differences among the three species for the system you chose to studya flowchart of the system’s process for each specimen