Invertebrates Sponges Sponge is the simplest kind of an invertebrate Shaped like a sack with an opening at the top Its body is made of 2 cell layers Body is hollow inside Live in water Adults stay in one place their kids float around ID: 546350
Download Presentation The PPT/PDF document "Spineless Animals" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
