The abuts the lumen of the alimentary canal and consists of epithelium, lamina propria, and muscularis mucosae.

it's not c. i took the quiz and got it wrong. so my best guess is b.

have a great day, and hope this .

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

answer; cnidarians;