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Are sponges deuterostome?
No, sponges are not deuterostomes. Deuterostomes are a distinct classification of animals characterized by a particular pattern of embryonic development, which includes echinoderms and chordates such as humans. Sponges belong to the phylum Porifera, and they are considered one of the most basal and primitive animal groups.
The distinction between protostomes and deuterostomes is based on differences in their?
The distinction between protostomes and deuterostomes is based on differences in their embryonic development. Protostomes develop their mouth first from the blastopore, while deuterostomes develop their anus first from the blastopore. This difference in early development leads to distinct patterns of development in the two groups.
The distinction between protostomers and deuterostomers is based on differences in their what?
Invertebrates develop as either protostomes or deuterostomes. During development, a protostome's first opening is its mouth. Deuterostomes, on the other hand, have their anus as their first opening during development.
What combinations of embryonic features is common in the deuterostomes?
Common embryonic features in deuterostomes include radial cleavage, indeterminate cleavage leading to identical twins, blastopore developing into the anus, and formation of a coelom from mesodermal tissue.
Are nematodes protostomes or deuterostomes?
Nematodes are protostomes. They belong to the Ecdysozoa group within the larger protostome clade, characterized by their molting of a cuticle as they grow. This distinguishes them from deuterostomes, which include organisms like chordates and echinoderms, where the embryonic development follows a different pattern.
What has the author W Kuhl written?
W. Kuhl has written: 'Chaetognatha' -- subject(s): Chaetognatha
What has the author Harding B Michel written?
Harding B. Michel has written: 'Chaetognatha of the Caribbean Sea and adjacent areas' -- subject(s): Chaetognatha
Do deuterostomes only develop a mouth?
no,deuterostomes only develop their nus fist.
Does the blastopore becomes the anus of the adult in invertebres sponges protostomes or deuterostomes?
deuterostomes
What is an arrowworm?
An arrowworm is a transparent marine worm of the phylum Chaetognatha.
Are arthropods deuterostome?
Deuterostomes
What is an arrow worm?
An arrow worm is a variety of marine worm of the phylum Chaetognatha.
Pigeons deuterostome or protostome?
deuterostomes
What are deuterostomes.?
organisms with a complete gut
Are bivalves protests or deuterostomes?
Deuterstomes
Are mammalia deuterostomes?
Deuterostomes. All chordates such as birds and mammals are deuterosomes.
What has the author G M R Levinson written?
G. M. R. Levinson has written: 'Systematisk-geografisk Oversigt over de nordiske Annulata, Gephyrea, Chaetognatha og Balanoglossi' -- subject(s): Chaetognatha, Hemichordata
