Ten Phyla Parasitism Essay

Total Length: 534 words ( 2 double-spaced pages)

Total Sources: 3

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Phyla and Parasites

Ten Phyla:

Phylum Mollusca ~ Living Species Number: World: at least 50,000; United States:

Approximately 20,000; Texas: More than 2,000; Number of Fossil Forms: 150,000

Phylum Brachiopoda ~ Living Species Number: World: 400; United States: 80; Texas: 10;

Number of Fossil Forms: 5,000

Phylum Echinodermata ~ Living Species Number: World: 7,000; United States: Approximately

2,000; Texas: Approximately 200; Number of Fossil Forms: 13,000

Phylum Chordata ~ Living Species Number: World: More than 60,000; United States: 20,000

Texas: Approximately 2,000; Number of Fossil Forms: 114,000

Phylum Conulariida ~ Living Species Number: World: Approximately150; United States: Less

than 50; Texas: Unknown but less than 10; Number of Fossil Forms: More than 250,000

Phylum Cnidaria ~ Living Species Number: World: More than 10,000; United States: 4,000; Texas: More than 50; Number of Fossil Forms: Approximately 25,000 species

Phylum Porifera ~ Living Species Number: World: 5,000; United States: About 1,000; Texas:

About 100; Number of Fossil Forms: 9,000

Phylum Protozoa ~ Living Species Number: World: More than 1.
2 million with 86% still unclassified; United States: Estimated more than 20,000 in water alone; Texas: Unknown but estimated at more than 5,000; Number of Fossil Forms: Millions

Phylum Annelida ~ Living Species Number: World: Over 22,000; United States: Estimated to be

12,000; Texas: More than 5,000; Number of Fossil Forms: Estimated to be 10,000

Phylum Bryozoa ~ Living Species Number: World: 5,000; United States: More than 1,000;

Texas: About 100; Number of Fossil Forms: 15,000

Adaptations to Parasitism:

Tapeworms~ Adapted with a resistant outer covering so that their bodies are not damaged by the stomach acid in the animal that….....

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https://www.aceyourpaper.com/essays/ten-phyla-parasitism-107372