β`color{Brown}"Digestion"` : Digestion is intracellular and occurs in food vacuoles of `color{Violet}"choanocytes"`.
β`color{Brown}"Respiration and Excretion"` : Takes place through the diffusion of gases through the body surface. Excretory matter is `color{Violet}"Ammonia"`.
β`color{Brown}"Skeleton"` : The body is supported by a skeleton made up of `color{Violet}"spicules"` (calcerous or siliceous) or `color{Violet}"sponging fibers"`.
β`color{Brown}"Digestion"` : Digestion is intracellular and occurs in food vacuoles of `color{Violet}"choanocytes"`.
β`color{Brown}"Respiration and Excretion"` : Takes place through the diffusion of gases through the body surface. Excretory matter is `color{Violet}"Ammonia"`.
β`color{Brown}"Skeleton"` : The body is supported by a skeleton made up of `color{Violet}"spicules"` (calcerous or siliceous) or `color{Violet}"sponging fibers"`.