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Coelenterata is an obsolete term which covered two animal phyla. These phyla were the comb jellies , Ctenophora, and the coral animals, true jellies, and sea anemones known as the Cnidaria.

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Are Platyhelminthes acoelomates, pseudocoelomates or coelomates?

Coelomates.


Which would you expect to be more complex animals- coelomates or acoelomates?

coelomates


Are there other coelomates besides earthworms?

Most animals are coelomates, including humans.


Characteristics of most vertebrates' body structures includ?

bilateral symmetry coelomates four levels of cell organization (cells, tissues, organs, organ systems)


Are earthworms coelomates?

Yes, earthworms are coelomates because they have the "tube within a tube" body plan that characterises coelomates. More specifically, coelomates have a body cavity that is completely lined with cells derrived from the mesoderm (the germ layer of tissue found between the endoderm and ectoderm in embryonic development).


Do arthropod have pseudocoelom?

No, arthropods are coelomates


Among coelomates which of these develops by spiral cleavage and the mouth forms before the anus?

Annelids, such as earthworms, are coelomates that develop by spiral cleavage and have a mouth that forms before the anus during embryonic development.


Round worms are classified by?

Roundworms can be classified as what? blastopores,coelomates,acoelomates,or pseudocoelomates


Coelomates that develop with the blastopore becoming the mouth are?

Coelomates that develop with the blastopore becoming the mouth are protostomes. An example of a protostome would be the Caribbean reef squid.


Are all deuterostomes coelomates?

Coelomates are either deutermostomes or protostomes. A protostomes have spiral cleavage lie mollusks, annelids, and arthropods. A deutermostomes has radial cleavage such as echinoderms, and chordates.


What kind of body plan do vertebrates have?

they are coelomates, which means that their body cavity is fully lined with the mesoderm.


What is a coelom?

Coelomates are animals that have body cavities with complete linings, filled with fluid, that maintain the juxtaposition of the internal organs. All vertebrates, and most bilateral animals are coelomates.