Define the advantage of a digestive system with two openings have relative to digestive systems with only a single opening (like that of the flatworms).
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- Explain the advantage of a digestive system with two openings have relative to digestive systems with only a single opening (like that of the flatworms).What are the disadvantages of a flatworm’s digestive system having only one opening?Unlike the turbellarians earthworms have a complete digestive system. This means that; The earthworms do not have a typical stomach like other animals do The earthworms have a digestive system with only one opening The earthworms feed similar to fungi; by absorbing materials across the body wall The earthworm digestive system has both a mouth and an anus
- What advantage does a digestive system with twoopenings have relative to digestive systems with only a single opening(like that of the flatworms)?Provide two characteristics of the digestive tract for an animal that eats mainly termitesWhat part of the earthworm's digestive system would you see in a cross-section anterior to the gizzard? the gut the sperm receptacles the crop the pharynx the oral cavity
- Contrast the feeding strategies and the structure of the digestive systems of each of the following (Demosponge;a sea anemone - class Anthozoan; and earthworm). In discussing the structure analyze the efficiency of each system and what constraints the structure of the system places on the type of food that can be fed on.Explain the presence of specialized digestive organs in the animals studied in this laboratory given that they all have a coelom and a complete digestive system with a separate mouth and anus.You are investigating a new kind of flatworm and give it food attached to charcoal pieces so that the digestive system can be seen under a microscope. When you look, you can see what you think is a mouth but cannot see an anus. What kind of digestive system would this worm have? -a hematocoel system -a closed digestive system -none of these choices are correct -an incomplete digestive system -radially symmetrical
- Give some ecological importance of corals, sea anemone and jellyfish. Digestion in Cnidarians is extracellular and intracellular. Is the statement correct? Explain your answer. Describe the feeding mechanism of a Hydra.Describe the advancements in the specialization of the digestive tract of earthworm in comparison to other animals.How does digestion in beings of the phylum Annelida work and which type of digestive system do they have?