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Which of the following combinations of phylum and description is correct? (and why?)
a) Nematoda − roundworms, internal skeleton
b) Porifera − gastrovascular cavity, coelom
c) Echinodermata - radial symmetry as a larva, coelom
d) Platyhelminthes − flatworms, gastrovascular cavity, no body cavity

Respuesta :

it’s answer c!! i just took that and i got it right
Martebi

The phylum and description that is correct among the options is Platyhelminthes − flatworms, gastrovascular cavity, no body cavity

  • Flatworms belongs to the phylum platyhelminthes. They are said to have no true body cavity, but they do have bilateral symmetry. For the lack of a body cavity, it is called acoelomates.

  • They also have an incomplete digestive system. That is, the digestive tract has only one openings

From the above we can therefore say that Option d is the correct option that gives the true description of the phylum platyhelminthes

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