Phylum ________ Occurs Exclusively in Marine Animals

All about Platyhelminthes, Echinodermata, Coelenterate, and Nematode

Echinodermata:

• Examples of echinoderms include sea stars, sea cucumbers, sea urchins, sand dollars, and brittle stars.
• They are round or elongated and have a star-like appearance.
• The calcium carbonate that makes up the skeleton.
• The creatures have spiky skin.
• Echinoderms also have very basic neurological, circulatory, and digestive systems.

Platyhelminthes:

• Platyhelminthes are acoelomate flatworms that are triploblastic, bilaterally symmetrical, dorsoventrally flattened, and lack a distinct circulatory, skeletal, or respiratory system.
• the phylum of animals Because they are flattened from head to tail, platyhelminthes are sometimes known as flatworms.
• There are three layers of embryonic tissue in platyhelminthes.
  • ectoderm
  • mesoderm
  • Endoderm
  • Platyhelminthes are free-living and can be found in ponds, lakes, streams, ditches, and temporary puddles.

Coelenterate:

• The name Coelenterata refers to the animal phyla Cnidaria and Ctenophora.
• The body morphology is diploblastic, radially symmetric, and lacks a coelom.
• There are numerous types of reproduction in coelenterates.
• They have the ability to reproduce sexually, like all metazoa.
• The fertilised eggs may result in larvae that are biologically and physically distinct from the adult stage of sexual reproduction.

Nematodes:

• Nematodes are tiny, elongated worms that range in size from 0.1 to 2.5 mm thick and 5 to 100 m long.
• They are an animal phylum with a wide variety of habitats.
• Numerous nematode species may live in freshwater, seawater, and soil.
• These are particularly important in the cycling of nutrients and the release of nutrients for plant growth. They feed on bacteria, fungus, protozoans, and even other nematodes.

Summary:-

Phylum ________ occurs exclusively in Marine Animals. 1. Platyhelminthes 2. Echinodermata 3. Coelenterate 4. Nematode

In marine animals, Phylum Echinodermata exclusively occurs. In this phylum, the members are known as echinodermata.

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