WebJan 20, 2024 · Question 2. Write any two members of the Phylum Aschelminthes which are found parasitic on Human beings. Answer: Ascaris (Roundworm) Wuchereria (Filaria worm) Question 3. In some animal groups, the body is found divided into compartments with at least some organs/ organ repeated. This characteristic feature is named. WebAn atypical type of asexual reproduction is found only in freshwater sponges and occurs through the formation of gemmules. Gemmules are environmentally resistant structures …
What are the functions of sponges
WebMar 5, 2024 · Porifera are an ancient and highly successful group of animals. In the Palaeozoic, they are believed to have comprised more than half the biomass in marine reefs. They have been living in the waters of the world for more than 600 million years, and can now be found in all marine and many freshwater habitats. WebQuestion: Q1 Choanoflagellates share many similarities with the choanocytes found in the phylum Porifera. Compare the choanoflagellates with the choanocytes in the sponge in the micrographs above. Thinking … super bowl patriots falcons
Organisation of the Poriferan body
WebJun 8, 2024 · Figure 28.1 B. 1: Sponge morphology: The sponge’s (a) basic body plan is a cylinder shape with a large central cavity. The specialized cell types in sponges (b) each … WebMar 11, 2024 · Choanocytes are found on the internal lining of porifera, however they are found on the exterior of Proterospongia. This is a point of contention, as Choanocytes are found on the internal lining of porifera, but on the exterior of Protero However, this criticism was refuted by the consensus that choanocytes become internal only in the later ... WebThe beating of flagella from all choanocytes moves water through the sponge. Food particles are trapped in mucus produced by the sieve-like collar of the choanocytes and are ingested by phagocytosis. ... A type of asexual reproduction found only in freshwater sponges occurs through the formation of gemmules, clusters of cells surrounded by a ... super bowl past performances