The roads in the park are all gravel and in need of grading and leveling. They don't have to post 5 mph signs here. They don't have enough picnic tables so you have to acquire one if you want one. We camped at Amana Colonies RV Park in a Motorhome.
Feeding. 1  Sponges are filter feeders that remove plankton (food) from the water that is brought in through pores lined with collar cells. 2  Flagella pull in bacteria, protozoans, & algae that sticks to collar of choanocytes where it is digested.
Epidermius- outercovering then cellular inside lined with choanocytes then mesohy jelly layer in between the too noncelluar. Sponges consist of a body wall of 3 layers (2 cell layers surrounding a jellylike mesohyl layer). The outer body wall is composed of epidermal cells which serve as covering for the sponge.