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Is chaetognatha solidly advanced deuterostomes?
No, chaetognaths are not considered deuterostomes. They belong to the phylum Chaetognatha (arrow worms), which are classified as protostomes. They are characterized by certain developmental and anatomical features that distinguish them from deuterostomes.
What other phylum might be considered our close relatives?
Our close relative phylum are the echinoderms because they are also deuterostomes.
What phylum have true coelom and are deuterostomes?
The phylum that have a true coelom and are deuterostomes are the phylum Chordata. This phylum includes animals with a notochord, dorsal nerve cord, pharyngeal slits, and post-anal tail at some stage in their development. Examples of Chordata include vertebrates such as fish, amphibians, reptiles, birds, and mammals.
What are deuterostomes that show radial symmetry in their adult form called?
Deuterostomes that show radial symmetry in their adult form called phylum Echinodermata. Phylum Echinodermata are things like sea stars, sea urchins and sea cucumbers.
Are planarians deuterostome?
They are neither a deuterostome or a protostome, since they only have one opening.
Are lancelets dueterstome?
Yes, lancelets are deuterostomes. Deuterostomes are a group of animals characterized by their embryonic development, in which the blastopore becomes the anus. Lancelets belong to the phylum Chordata along with vertebrates, and they exhibit deuterostome development.
IS coral deuterostome?
No, corals are not deuterostomes; they belong to the phylum Cnidaria, which classifies them as protostomes. Deuterostomes include groups such as echinoderms and chordates, characterized by their embryonic development where the anus forms before the mouth. In contrast, corals exhibit radial symmetry and have a different developmental pathway typical of their phylum.
Do snails have endoskeleton?
Snails have both exoskeleton and endoskeleton. The shell is the exoskeleton. And the remaining part is endoskeleton.
Is endoskeleton an example of a human spine?
The spine is a part of the endoskeleton.
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.
What phylum contains invertebrates with a endoskeleton?
None of them. An invertebrate is, by definition, an animal which has no spine.
What is the only invertebrate with a endoskeleton?
There are many. The only phylum that contains invertebrates with exoskeletons are Echinoderms. An example is cuttlefish.
