Which Animal Phylum Has Greater Complexity Than Urochordata?

Animal phylum I x I y I Porifera 1 5.8 25 2 35 30 Platyhelminthes Cnidaria 3 2.5 34 Nematoda 4 2.6 38 Echinodermata 5 38.6 45 Cephalochordata 6 33 68 Arthropoda 7 59.1 73 Urochordata 8 25 77 Mollusca 9 50.8 83 Annelida 10 58 94 Vertebrata 11 147.5 172.5 Which other animal phylum, except Urochordata, is known for its high level of complexity? Display less

Which animal phyla is most complex?

They range from relatively basic species, like sponges, to extremely sophisticated animals, like humans. Humans are one example of the latter. Animal Phyla.

Phylum Evolutionary Developments
Cnidaria True tissue, radial symmetry
Platyhelminthes Mesoderm, bilateral symmetry
Nematoda Complete digestive system, pseudocoelom
Arthropoda Segmented body

Which phyla are more complex and why?

The body plans of roundworms, which belong to the phylum Nematoda, are a little bit more complicated. The most complicated organisms with worm-like body plans are segmented worms, which belong to the phylum Annelida. The study of worms can shed light on probable historical events that occurred throughout the evolution of certain organ systems and body traits.

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Is animal complexity correlated with miRNA diversity?

What is the relationship between the variety of microRNAs and the complexity of animal life? A) There is an inverse relationship between the variety of miRNAs and the complexity of animals.

What are the 5 most common phyla?

  1. 1. Kingdom Monera 2. The Protistan Kingdom 3. Kingdom Fungi 4. Kingdom Plantae 5. Kingdom Animalia Kingdom Monera
  2. The Kingdom of Protista
  3. Kingdom Fungi
  4. Kingdom of the Plants
  5. Kingdom Animalia

Which animal phyla is most advanced?


Term What is an animal? How is an animal different from an autotroph? Definition Animals are active multicellular organisms incapable of synthesizing their own food.
Term What is considered the most advanced animal phyla? Definition Chordata

What are the complex animals?

Students concentrate on more complicated species, particularly the major vertebrate groups, which include fishes, amphibians, reptiles, birds, and mammals. In order to explain the many properties of complex creatures, specific examples of vertebrates are provided.

What is the simplest phylum of animals?

The right response is that the most basic animal phylum is called Porifera, which is made up of particular species and is referred to as sponges.

Which animal kingdom class is most abundant?

Insects undoubtedly make up the biggest proportion of the world’s creatures when measured in terms of the number of species they include. More than one million distinct species of insects have been described and cataloged by researchers throughout the course of their careers.

What are the 3 animal phyla and differentiate its characteristics?

Annelids are segmented worms like the ones we see in the earth, but their body systems are more complicated than those of other worms.Insects and crustaceans are both examples of arthropods.Molluscs are creatures with soft bodies like snails, slugs, octopi, and squid.Their neural systems may be rather sophisticated depending on the species.

  • Sea stars, sea urchins, and sea squirts are all examples of echinoderms.
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What is the minimum age of the common ancestor of sponges and cnidarians?

The findings of this fossil biochemical evidence are in agreement with those of the molecular clock, which indicate that animals first appeared 770 million years ago (mya), sponges first appeared 700 mya, and cnidarians first appeared 680 mya.

Where do miRNAs originate?

It is possible for new microRNAs to emerge not only through the haphazard construction of hairpins in ‘non-coding’ portions of DNA (such as introns or intergene regions), but also through the duplication and alteration of previously discovered microRNAs.

What is the key difference between a Coelom and a Pseudocoelom?

What is the most significant distinction that can be made between a coelom and a pseudocoelom?A real bodily cavity is referred to as a coelom, whereas a false coelom that is only partially functioning is referred to as a pseudocoelom.Only a coelom has mesoderm tissue completely lining its inside.Pseudocoeloms were present at an early stage in the evolution of animals and eventually developed into coeloms.

What are the major phyla of animal?

The book ‘Animal phyla’ describes thirty-three different phyla, although there are still debates and differences of opinion over the number of phyla that are required to categorize the less well-known species. The taxa Porifera, Cnidaria, Arthropoda, Nematoda, Annelida, Mollusca, Platyhelminthes, Echinodermata, and Chordata are the ones that are most readily identifiable.

What are the three animal phyla that dominate animal life on land?

Animal life on land is dominated by members of three phyla that are effective in maritime environments: arthropods, molluscs, and chordates. There is just one animal phylum that is totally terrestrial, and that is the Onychophora (velvet worms). Reproduction through sexual contact

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What are the 9 major animal phyla?

The Roots of Life There are a total of 36 animal phyla that are recognized, although just nine of them (the Mollusca, Porifera, Cnidaria, Platyhelminthes, Nematoda, Annelida, Arthropoda, Echinodermata, and Chordata phyla) include the great majority of documented and living species.