PPT-Ch 26- Sponges and Cnidarians

What characteristics do all animals share Members of kingdom Animalia multicellular eukaryotic heterotrophs lack cell walls Invertebrates animals that do not have a backbone 95 of all animal species. By Tim Allen, Tim Kang, . Niko. Escanilla, and Paul Woo. Sponges. Phylum = Porifera. Scientific name = . Calcareous. sponge. Common Name = Yellow Calcareous Sponge. Sponges. Phylum = . Porifera. Scientific name = . Porifera. Porifera. “Pore-bearing”. Over 4,000 species. Mostly marine. Classification. Kingdom Animalia. Plant-like in appearance. Lack some typical animal . characteristics. Distinct tissues. Dead end phylum. BSC 2011L. Kingdom Animalia. All animals are multicelluar and heterotrophic . Some means of locomotion. Always diploid. Animal Taxonomy. Domain . Eukarya. Kingdom . Animalia. Invertebrates. Parazoa. – no true tissue layers. Kingdom . Animalia. Phylum . Porifera. Vase sponge. Porifera. Porifera. means “pore-bearing” and refers to the numerous pores and channels that permeate a sponge’s body.. P. hylum . Porifera. . Sponges. Kingdom. Animalia. Phylum. Porifera. Sponges. Sessile. Don’t move. No specialized tissues or organs. Asymmetrical. Sponges . Body Structure. Vase-wall around a hollow tube. Closed at the bottom and open at the top. Relate the form of specific structures to their function within this group.. Compare and contrast radial and bilateral symmetry.. Apply how the evolution of the segmented body led to increased motility. When Carl Linnaeus first created his method for organizing animals, he had just two families of invertebrates:. . Insecta. (insects) and . Vermes. (worms).. Since that time, scientists have found more invertebrates and have created more classifications. We will talk about six main categories or families of invertebrates.. Sponges are a diverse group of common types, with about 5000 species known across the world. . Sponges are primarily marine, but around 150 species live in fresh water. . Sponges have cellular-level organization, meaning that that their cells are specialized so that different cells perform different functions.. th. Grade Biology. Sponges. S. ponges are the simplest form of multi-cellular animals. A sponge is a bottom-dwelling creature which attaches itself to something solid in a place where it can find enough food to grow. The scientific name for sponges is ". Porifera,Cnidarians,Rotifera. By: Amin Syed and Marwa Saleh. PORIFERA- THE SPONGES. Sponges lack . symmetry but very few small sponges are radially . symmetrical. Poriferas . are multicellular which means that their cells are specialized for different functions of the . Vase Sponge. (. Ircinia. . campana. ). Tube Sponge. (. Callyspongia. . vaginalis. ). Learning Goals. : . I can label the anatomy of a sea sponge.. I can differentiate between the types of sea sponges.. Section 28.1. Sponges. Sponges were once classified as plants. Asymmetrical. Lack tissues and organs. Cell recognition makes. them animals. The Simplest Animals. Sponges belong to Phylum . Porifera. System of pores. A. Characteristics of Phylum Cnidaria:. . 1. . Soft-bodied. 2. . Stinging tentacles arranged in circles around their mouth. 3. Live as single . individuals. or as a group connected into a . colony. Sponges are primarily marine, but around 150 species live in fresh water. . Sponges have cellular-level organization, meaning that that their cells are specialized so that different cells perform different functions..