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Which of the following have porous body and are diploblastic?
  • a)
    Aurelia and Obelia
  • b)
    Adamsia and Euplectella
  • c)
    Leucosolenia and Spongilla 
  • d)
    Sycon and Hydra
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which of the following have porous body and are diploblastic?a)Aurelia...
Porous Body and Diploblastic Organisms

Porous body refers to the presence of many pores or openings in the body structure of an organism. These pores allow the circulation of water and nutrients throughout the organism. Diploblastic organisms are those that have two germ layers - the ectoderm and endoderm. These germ layers give rise to various tissues and organs in the organism.

Among the options given, the organisms with a porous body and are diploblastic are Leucosolenia and Spongilla.

Leucosolenia:
- Leucosolenia is a genus of marine sponges that belongs to the phylum Porifera.
- Sponges are multicellular organisms that lack true tissues and organs, making them the simplest animals.
- The body of Leucosolenia is tubular and vase-shaped, with a single large osculum (opening) at the top and numerous tiny pores called ostia on the body surface.
- The ostia allow water to enter the sponge, which is then filtered by specialized cells called choanocytes.
- The filtered water carries food particles and oxygen, which are absorbed by the sponge, while waste and excess water are expelled through the osculum.

Spongilla:
- Spongilla is another genus of freshwater sponges that also belongs to the phylum Porifera.
- Similar to Leucosolenia, Spongilla has a porous body with numerous ostia and a single osculum.
- These ostia allow water to enter the sponge, where it is filtered by choanocytes, just like in Leucosolenia.
- Spongilla is commonly found in freshwater habitats such as ponds, lakes, and slow-moving rivers.
- Their porous body structure allows them to efficiently capture food particles and exchange gases in their aquatic environment.

In summary, Leucosolenia and Spongilla are examples of organisms with a porous body and are diploblastic. They belong to the phylum Porifera, which consists of simple multicellular animals known as sponges. These organisms rely on water circulation through their pores for feeding, respiration, and waste removal.
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Community Answer
Which of the following have porous body and are diploblastic?a)Aurelia...
Leucosolenia and Spongilla belong to the phylun Porifera and thus have porous body (body is provided with
Pores) and are diploblaStic (i.e. derived from two germ layers - ectoderm and endoderm).
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Which of the following have porous body and are diploblastic?a)Aurelia and Obeliab)Adamsia and Euplectellac)Leucosolenia and Spongillad)Sycon and HydraCorrect answer is option 'C'. Can you explain this answer?
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