WebPhylum-Ctenophora (Coelenterata) - Ctenophora is a small phylum. ... (11) The excretory system is formed of protonephridia (flame cells) (12) The nervous system is well developed. It is formed of longitudinal nerve cords with ganglia. A pair of anterior ganglia forms the brain. The longitudinal nerve cords are connected together by transverse ... WebApr 12, 2024 · Ctenophores are free-swimming, transparent, jelly-like, soft-bodied, marine animals having biradial symmetry, comb-like ciliary plates for locomotion, the lasso cells …

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WebPorifera Cnidaria Ctenophora Example organisms Symmetry or body form Support system Circulatory system Respiratory system Nervous system and special senses Digestive … WebPhylum Ctenophora excretory system. no dedicated system; excrete through pores in body wall. Phylum Ctenophora major groups. Cydippida, Lobata, Cestida, Platyctenida, Beroida. ... genital ducts are usually part of excretory system; exterior vs interior fertilization depends on the group too (external = some bivalves, chitons, aplacophorans ... healthy low cholesterol lunches

Excretory System: Meaning, Kidney Functions, Organs

WebAug 8, 2012 · Porifera is the name of the phylum that consists of sponges, the multicellular animals without most of the vital body organ systems such as nervous, digestive, or circulatory systems. However, it may be fair enough to wonder whether they are animals. In fact, they are classified as animals since there are no cell walls around their body cells. WebCtenophora and Cnidaria are the lowest animal phyla that have a nervous system. The two phyla were traditionally joined together in one group, termed Coelenterata, based on the … WebStudents of comparative mentality unabashedly and ludicrously ask, "How far down the animal kingdom does learning extend?" Volume 1 of Hyman's celebrated treatise on the … motown hometown