Long direct quotations in MLA format. Long direct quotations consists of quotations that are longer than four lines of prose or three lines of verse, and the MLA format dictates how these are presented. 1  Use a free-standing block of text (block quote). 2  Omit the quotation marks. 3  Start the direct quotation on a new line. 4  Indent one inch from the left margin. 5  Indent the first word of 6  ... U
well if you mean the gastrovascular cavity...then they are different... in a gastrovascular cavity the main difference from a digestive tract is that the anus is the mouth (it is where things go in and out) while a digestive tract has a tube that on opposite ends are the mouth and anus.
Gastrovascular Cavity. Gastrovascular Cavity: As the name implies, this has a role in both the distribution of particles and nutrients to all areas of the body as well as having a role in digestion. Organisms that belong to 2 main phyla â the Platyhelminthes and the Cnidaria â have gastrovascular cavities. The cnidarians that are symmetrical have a body that is sac-like in 2 layers that are distinct â the epidermis and gastrodermis â with a jelly type layer called the mesoglea in between. Digestion that is extra cellular begins within the center cavity of the body that is sac-like.