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Phylum Annelida, phylum Nematoda

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Which phylum contains organisms with all three types of skeletons?

the best known phyla are Mollusca, Porifera.Cnidaria, Platyhelminthes, Nematoda, Annelida, Anthropoda, Echinodemata, and Chordada to which human beings belong. However no satisfactory definition exists


What is the definition porifera?

A phylum that includes the organisms known as sponges.


The organisms commonly known as flatworms belong to phylum?

Platyhelminthes


What phylum are segmented worms part of?

The phylum that includes segmented worms is known as Annelida. These phylum is believed to have over 17,000 species of different organisms.


Are phylum porifera made up of the some of the oldest known animal fossils?

Yes, the phylum porifera contain some of the oldest organisms because they are formed from fossilized, tiny sea organisms which were the precursors to modern life.


What skeleton does a lizard have?

The hard parts of an insect's body are on the outside and are called an "exoskeleton." The hard parts of a mammal's body are on the inside and are called a "skeleton." Although the two have some similarityes, they are not the same.


What phylum is also known as phylum nematoda?

Phylum Aschelminthes


How does phylum fit into taxonomy?

Phylum is the stage above class and below kingdom. There are two categories in phylum: eukaryote and prokaryote. Eukaryotes have well defined cell membranes and nuclei, while a prokaryote doesn't. This can already separate the different classes into different categories, which is evidently the goal of taxonomy -- to classify organisms.


What organisms are covered by tiny locomotory structures that belong to the phylum?

Organisms covered by tiny locomotory structures belonging to the phylum Ciliophora are known as ciliates. These structures, called cilia, are hair-like projections that allow ciliates to move and feed. Ciliates are single-celled organisms found in various aquatic environments and are known for their complex cell structure and diverse behaviors.


When did the phylum platyhelminthes appear on earth?

The phylum Platyhelminthes is believed to have appeared on Earth during the Ediacaran period, around 550 million years ago. They are one of the earliest known groups of multicellular organisms.


Which phylum is known as phylum nematoda?

Roundworms


What type of phylum includes the parasitic animals?

The phylum that includes parasitic animals is Platyhelminthes, also known as flatworms. Examples of parasitic animals within this phylum include tapeworms and flukes. These organisms rely on a host to complete their life cycle and obtain nutrients.