Technology Invertebrates slide show

1. Spineless Animals Invertebrates 2. Sponges Sponge is the simplest kind of an invertebrate.Shaped like a sack with an opening at the topIt’s body is made of 2 cell layersBody…

Entertainment & Humor Invertebrates slide show

1. Spineless Animals Invertebrates 2. Sponges Sponge is the simplest kind of an invertebrate.Shaped like a sack with an opening at the topIt’s body is made of 2 cell layersBody…