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Do tunicates keep the nerve cord notochord and postanal tail throughout their lives?
Tunicates have a nerve cord and notochord only during their larval stage, which are reduced or lost in the adult stage. The postanal tail is present in the larval tunicates but is typically lost during metamorphosis into the adult stage.
What are 4 things that all chordates have in common?
All Chordates have:1) a notochord2) pharyngeal slits3) a postanal tail4) a hollow dorsal nerve chordRead more: What_are_the_four_characteristics_of_a_chordate
Is a dolphin a chordate?
Yes, a dolphin is a chordate. Chordates are animals that possess a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail at some point in their life cycle, all of which dolphins have.
What is a chordates?
A Chordate is a animal with a notochord. They do not need to have spines- they just need to have a spinal cord. Fish, Reptiles, Mammals, Birds, and Amphibians are all members of the Chordate phylum. There are also invertabrates closley related to these members of the Chordate phylum that are Chordates.
What is the oldest chordate?
The oldest chordate is believed to be Haikouichthys, which lived around 530 million years ago during the Cambrian period. It had a primitive notochord but lacked true vertebral elements.
When are the four chordate characteristics found in Class Reptilaembryo or adult?
1. A notochord that allows for muscle attachment and support2. A dorsal, hollow nerve tail that leads to a distinct brain3. Pharyngeal gills or slits4. Postanal tail
Is snake a chordate?
Yes, snakes are chordates. They have postanal tails, pharyngeal gills or slits, a notochord that allows for muscle support and attachment, and a dorsal, hollow nerve tail that leads to a distinct brain.
Do fishes have postanal tail?
yes they do
What is the definition of chordate?
Chordates are animals in phylum Chordata, like reptiles, mammals, and birds. They have postanal tails, pharyngeal gills or slits, a notochord that allows for muscle support and attachment, and a dorsal, hollow nerve tail.
Is a mammal a chordate?
Yes, mammals are chordates. They have postanal tails at one point in development, pharyngeal gills or slits, notochords which allow for muscle support and attachment, and a dorsal, hollow nerve tail that leads to a distinct brain.
Which feature differentiates a chordate's tail from that of a non-chordate?
that
Do all chordates have a postanal tail some time in the lives?
yes
What do all choradates have?
all chordates have notochord, gill slits, postanal tail, and nerve chord.
What four characteristics set Chordates apart from other organisms?
for plato users the answer is B. notochrd, nerve cord, pharyngeal gill slits, postanal tail
What All chordates have a notoriety pharyngeal pouches postnasal tail and?
All chordates possess four key features at some stage of their development: a notochord, pharyngeal pouches (or slits), a postanal tail, and a dorsal hollow nerve cord. These characteristics are evident in varying forms across different chordate groups, from fish to mammals. The notochord provides structural support, while pharyngeal pouches can develop into gill structures in aquatic species or contribute to various anatomical features in terrestrial species. The postanal tail aids in movement and balance, and the dorsal hollow nerve cord is crucial for nervous system development.
What are the characteristics that all chordates share?
a hollow nerve cord, a notochord, pharyngeal pouches, and a postanal tail
Do tunicates keep the nerve cord notochord and postanal tail throughout their lives?
Tunicates have a nerve cord and notochord only during their larval stage, which are reduced or lost in the adult stage. The postanal tail is present in the larval tunicates but is typically lost during metamorphosis into the adult stage.
