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24 Cards in this Set
- Front
- Back
What type of symmetry does the Phylum Annelida have?
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All classes have bilateral symmetry.
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How many tissue layers does Phylum Annelida have?
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All classes have 3 tissue layers.
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Are the classes in Phylum Angelina coelomate or acoelomate
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All classes are coelomate.
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What type of digestive opening does the Phylum Annelida have?
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All classes have a tube within a tube gut or TWIT gut. |
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Does the Phylum Annelida have a circulatory system?
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Yes, all classes have a closed system with blood vessels. |
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What type of habitat does Class Polychaeta have?
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Aquatic
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What type of habitat does Class Oligochaeta occupy?
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They are mostly terrestrial but some occupy aquatic as well. |
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What type of habitat does the Class Hirudinea occupy?
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They are aquatic and mostly fresh water. |
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What type of respiratory organs do the Classes Polychaeta and Oligochaeta have?
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They breath through their skin and have parapodia. |
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What type of respiratory organs does the Class Hirudinae have?
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They have anterior and posterior suckers. |
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Does the Phylum Annelida have an excretory system?
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Yes, all classes have 2 lateral lines of nephridia. |
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What is the locomotion associated with Class Polychaeta?
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They have setae (bristles on the outside of their body) to move around but some are sessile. |
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What is the locomotion associated with Class Oligochaeta?
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They have setae, and muscles. |
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What is the locomotion associated with class Hirudinea?
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They have muscles but are also parasitic. |
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What type of support system does Phylum Annelida have?
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All classes have a hydrostatic skeleton. |
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Is Phylum Annelida considered segmented?
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Yes, all classes show segmentation or septa. |
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Does the Phylum Annelida have a nervous system?
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Yes, all classes have a dorsal brain and a ventral nerve cord. |
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What are the reproductive strategies associated with Class Polychaeta?
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There are separate sexes and reproduce sexually. |
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What are the reproductive strategies associated with Class Oligochaeta?
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They are hermaphrodites and can reproduce asexually. |
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What are the reproductive strategies associated with Class Hirudinea? |
They are hermaphrodites. |
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What is important to remember about Annelids?
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They are protostomes and have a head with specialized sense organs. |
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Classify this.
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Phylum Annelida, Class Polychaeta, Marine Worm.
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Classify this.
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Phylum Annelida, Class Oligochaeta, Earth Worm.
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Classify this.
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Phylum Annelida, Class Hirudinea, Leeche
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