{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Phylum Annelida - 7:29:00 PM Phylum Annelida Segmented...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
20/02/2008 19:29:00 Phylum Annelida Segmented  worms Can be marine, fresh water and terrestrial They have organs but  no digestive tract  and they are segmented o Metameres  are repetitive similar body segments This allows them to have  controlled body movement  because  the muscles of different segments can act separately This is an  adaptation for burrowing and crawling They have a  trochopore  larva-same as mollusca Class Polychaeta “many bristles”, they have  parapodia  which are distinct fleshy, flattened lobed  appendages which protude laterally mostly found in marine habitats o Subclass Sedentaria These are  permanent burrowers , usually in  tubes They are  deposit feeders Their  parapodia are reduced  and  used to anchor  themselves  to tubes They  lack jaws and sensory organs  but do  have modified  gills  used to breathe while they are buried
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern