WebNov 17, 2015 · Blind sac body plan. The complete absence of alimentary canal is seen in animal like tapeworm where food is absorbed through general body surface. Flame cells arise from mesoderm and are … WebOct 29, 2024 · Explanation: Blind sac body plan is the body type of the organisms where the body resembles a blind sac with only one opening. In humans, we have a mouth and an anus, but in Cnidaria, they have only one opening in the body cavity. The ingest and eject the food through only one opening. Hydra and some other organisms belong to this …
Body plan Definition & Meaning - Merriam-Webster
WebApr 4, 2024 · The blind sac body plan is seen in the coelenterates. This body plan has a single opening for taking in food and expelling out the waste products. The coelenterates have tissue levels of the body organization. They have a large gastrovascular cavity that performs the function of the small intestine in them. WebOct 3, 2024 · Blind for almost 10 years, regains sight due to Covid-19 vaccine by HuntingBP February 27, 2024, 8:37 am PEOPLE's PLATFORM:A BLIND MAN CHEATED BY … how to write a teacher evaluation
Blind sac body plan is shown byA. RoundwormsB. AnnelidsC ...
WebMar 24, 2024 · - The body has a single cavity in a blind sac plan which functions as digestive tract and coelom. The alimentary canal has a single opening as both mouth for ingestion and anus for egestion. It shows tissue grade body organisation. The cells are organised into tissues. It is found in coelenterates. http://www.freedictionary.org/?Query=Body%20plan WebSep 8, 2024 · Animals show three fundamental body plans as follows: 1. Cell aggregate body plan. 2. Blind sac body plan, 3. Tube within tube body plan. 1. Cell aggregate body plan: a. In this body plan, cells do not form tissues or organs. b. Differentiation and division of labour among the cells is minimal. how to write a teacher evaluation report