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Deuterostomes are a group of animals characterized by their embryonic development, in which the anus forms before the mouth during the early stages. This group includes major phyla such as chordates (which include vertebrates) and echinoderms (like starfish and sea urchins). The term "deuterostome" comes from Greek words meaning "second mouth," reflecting this unique developmental sequence. This contrasts with protostomes, where the mouth develops first.
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What are the two phases if coelenterates?
The two phases in the life cycle of coelenterates are the polyp stage and the medusa stage. The polyp stage is characterized by a tubular body with tentacles facing upwards, while the medusa stage is characterized by a bell-shaped body with tentacles facing downwards. These two stages alternate in the life cycle of coelenterates.
What does the word solestice mean?
what does the word solstice mean
What tide mean?
The word tide mean befall.
What does over the yawning chimney hangs the fog mean?
it mean
What does the french work etoile mean?
what does the french word etoile mean
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
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.
Are arthropods deuterostome?
Deuterostomes
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.
Which are deuterostomes Flowering plants fungi humans slime molds?
Among the options listed, humans are deuterostomes. Deuterostomes are a group of animals that includes echinoderms (like starfish) and chordates (which include humans). Flowering plants and fungi are not classified as deuterostomes; they belong to different kingdoms of life, while slime molds are classified within the group of protists.
Do Beetle have deuterostomes'?
No, beetles do not have deuterostomes. Beetles are classified as arthropods, which belong to the group of animals known as protostomes. In contrast, deuterostomes include groups like chordates and echinoderms, which develop differently during embryonic stages compared to protostomes like beetles.
Are bivalves protosomes or deuterostomes?
Protostomes .
Deuterostomes that have an endoskeleton are part of which phylum?
Echinodermata
