Lab Questions Phylum Annelida

Earthworms (class Oligocene) and marine polychrome worms (class polyphosphate) have bristles (“chaste”) protruding from their physique segments, whereas leeches (class hardliner) lack these bristles. The operate of those bristles (chaste)? 5. Annelids have the next kind Of ocelot situation a.

Callous b. Pseudonymous c. Schoolhouses coleuses d. Interlocutors coleuses Which different phyla have the sort of ocelot? 6. Are annelids coated with cuticle or with chitin? How does cuticle differ from chitin? Can annelids molt? What’s 7. When an annelid grows with age, it will increase its variety of its segments.Which finish (anterior or posterior) of the worm has essentially the most not too long ago shaped segments? eight.

Describe the annelid’s digestive system [list the structures and their appearance, location and function]. 9. Describe the annelid’s circulatory system. Is it open or closed? What number of hearts does an earthworm have? The place are they situated? Describe the trail blood takes via the worm’s physique. 10. Describe the annelid’s respiratory (fuel trade) system.

Does it have lungs? Gills? How does it accomplish fuel trade? Why do annelids should reside in moist habitats? 11.

Describe the excretory system of the annelid.How is that this totally different from what different worm phyla have possessed? 12. Describe the operate and placement of nephritic (organs). Nephritic are a part of the organ system. 13. Describe the annelid’s nervous system. Does it have one mind, or one main mind and a number of other ganglia.

.. Anyway… You inform me. The place are their ganglia? What number of nerve cords have they got and the place are they? Proceed On from right here.

… 14. Are annelids unconscious or determination? Describe the annelid reproductive system. 15. Describe mating in earthworms.

Can an earthworm fertilize its personal eggs? Can it have intercourse with itself? 16.What’s the operate of an annelid’s clientele? 17. What traits outline members of phylum annelid? 18. Describe the traits of every of the next courses (similarities and variations): polyphosphate, Oligocene, hardliner. I’d counsel making an in depth desk. 19. What are paradox? Who has them? 20.

Describe the attention of the Nereid worm. 21 . What is supposed by sedentary? In tube-dwelling polyphosphates, does the worm transfer with the tube (the worm being connected to the tube) or does the tube keep in place and the worm can freely transfer via the tube? What’s the tube made out of [what is its composition]? . Clarify the operate/s of the tentacles in polyphosphates. 23. Describe replica in polyphosphates and spot the way it differs from intercourse in earthworms. 24.

What kind of larva do polyphosphates have? Who else has a Terpsichore larva? Do all annelids have a Terpsichore larva? If not, who does and who doesn’t? What habitat works for a Terpsichore larva? Is the Terpsichore larva a helpful attribute for linking phyla? Clarify your reply. 25. In what methods are mollusks and annelids linked [what characteristics do they share]? 26. Earthworms are members of sophistication Oligocene. Translate the phrases polyphosphate and Oligocene.