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What else can I help you with?
The largest living group of chordates is the?
humans, chordates are anything with a spine.
What are chordates and non chordates?
Some of these non-chordates are marine animals. These animals are without a backbone. Some of these animals are... Fish Coral Sea-Aneamone
Write some characters common to both Chordates and non Chordates?
Notochord
Do chordates have a coelom?
Yes, chordates typically have a coelom. The coelom is a body cavity lined with mesoderm that surrounds the internal organs, providing space for organ movement and protection. It is considered an important characteristic of chordates, although not all chordates have a well-developed coelom.
Do all chordates have jaws and limbs?
Well, no they don't... There's a group of chordates called Agnatha which basically contains all the jawless chordates. And there are obviously limbless chordates present, the fishes and the snakes being the most well-known of the examples...
Why are hemichordate not considered as proper chordate?
Hemichordates are not considered true chordates because they lack several key characteristics that define the phylum Chordata. While they possess a structure called a stomochord, which is somewhat analogous to the notochord in chordates, they do not have a true notochord. Additionally, hemichordates lack other critical features such as a dorsal nerve cord and pharyngeal slits that are characteristic of chordates. Thus, despite some similarities, hemichordates are classified in a separate phylum due to these fundamental differences.
Are Chordates and echinoderms are both protostomes?
Neither are protostomes. Chordates, Hemichordates, and Echinoderms are all deuterostomes (in that the blastopore forms the anus first). In protostomes, the blastopore forms the mouth first.
Who are the ancestors of cephalochordates?
I am thinking Hemichordates.
What are the examples of phylum hemichordata?
Examples of phylum Hemichordata include acorn worms (enteropneusts) and pterobranchs. These are marine organisms that exhibit characteristics of both invertebrates and chordates. Hemichordates play a crucial role in marine ecosystems, contributing to sediment processing and nutrient cycling.
All vertebrates are chordates but not all chordates are vertebrates?
all vertebrates are chordates because vertebrates are the sub- group of phylum chordates and also it follow one of the important feature of the chordates i.e. presence of notochord whereas all chordates are not vertebrates because some chordates are cephalochordates, urochordates.
What is the popular name for chordates?
There isn't a "popular name" for them. The most familiar chordates are the vertebrates, but not all chordates are vertebrates (tunicates, for example, are chordates).
Is chordates vertebrates?
Chordates are not vertebrates because although some vertebrates are chordates theres many reasons why chordates arent vertebrates.the first reason is because chordates consist of a notochord or a dorsal nerve.
How is eucoelomata further divided?
Eucoelomata is further divided into two subgroups: Protostomia and Deuterostomia. Protostomes include groups like arthropods, annelids, and mollusks, where the blastopore becomes the mouth. Deuterostomes include chordates, echinoderms, and hemichordates, where the blastopore becomes the anus.
How do you write chordates in a sentence?
Chordates are animals with vertebrates.
Are chordates eukaryote?
Chordates are a group of animals which include vertebrates (animals having a spinal column), so yes, birds are chordates.
What some chordates such as sea squirts and lancelets do not have?
Chordates such as the sea squirts and lancelets do not have a backbone that is why they are called vertebrate chordates.
Do starfish have spines?
This is a weird hypothesis that I thought up when I was renaming some paper pdfs I've collected. It was inspired by a speculation I've seen that vertebrate side fins / limbs are ectopic tails; this was inspired by how limbs express Hox genes that are also expressed in tails. Ectopic tails may be able to form more easily because vertebrate tails extend past the anus, which is to the rear of most of the internal organs. Compare the situation of arthropods, annelids, and others, where the anus is at the absolute rear of the body, with no tail extending past it. Post-anal tails are shared by other chordates and by hemichordates. Which leaves echinoderms the remaining group of deuterostomes; the aforementioned terminal-anus animals are protostomes. How chordates, hemichordates, and echinoderms are related has been revised as a result of molecular evidence. An obvious overall-feature tree is: ((chordates, hemichordates), echinoderms) But molecular evidence suggests: (chordates, (hemichordates, echinoderms)) Which suggests that post-anal tails are an ancestral feature of deuterostomes, meaning that echinoderms have had an ancestor with them. But where might we find such a feature in living ones? Consider starfish and brittle-star anatomy. A starfish has a central disc with most of the internal organs, and with five arms radiating outwards. The mouth is on the bottom of the disc, the anus on the top. And those arms could possibly have originally been extra tails; their anatomy fits, since like chordate and hemichordate tails, they have only a limited set of internal organs. The main problem with the five-tail hypothesis is how the other echinoderms fit in; they also have radial symmetry, but they do not have comparable limbs. Info from internet
