Lab Questions Phylum Annelida
Earthworms (class Oligocene) and marine polychrome worms (class polyphosphate) have bristles (“chaste”) protruding from their body segments, while leeches (class hardliner) lack these bristles. The function of these bristles (chaste)? 5. Annelids have the following type Of ocelot condition a.
Callous b. Pseudonymous c. Schoolhouses coleuses d. Interlocutors coleuses Which other phyla have this type of ocelot? 6. Are annelids covered with cuticle or with chitin? How does cuticle differ from chitin? Can annelids molt? What is 7. When an annelid grows with age, it increases its number of its segments.Which end (anterior or posterior) of the worm has the most recently formed segments? 8.
Lab Questions Phylum Annelida Essay Example
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? How many hearts does an earthworm have? Where are they located? Describe the path blood takes through the worm’s body. 10. Describe the annelid’s respiratory (gas exchange) system. Does it have lungs? Gills? How does it accomplish gas exchange? Why do annelids have to live in moist habitats? 11.
Describe the excretory system of the annelid.How is this different from what other worm phyla have possessed? 12. Describe the function and location of nephritic (organs). Nephritic are part of the organ system. 13. Describe the annelid’s nervous system. Does it have one brain, or one major brain and several ganglia.
.. Anyway… You tell me. Where are their ganglia? How many nerve cords do they have and where are they? Continue On from here.
… 14. Are annelids unconscious or decision? Describe the annelid reproductive system. 15. Describe mating in earthworms.
Can an earthworm fertilize its own eggs? Can it have sex with itself? 16.What is the function of an annelid’s clientele? 17. What characteristics define members of phylum annelid? 18. Describe the characteristics of each of the following classes (similarities and differences): polyphosphate, Oligocene, hardliner. I would suggest making an extensive table. 19. What are paradox? Who has them? 20.
Describe the eye of the Nereid worm. 21 . What is meant by sedentary? In tube-dwelling polyphosphates, does the worm move with the tube (the worm being attached to the tube) or does the tube stay in place and the worm can freely move through the tube? What is the tube made out of [what is its composition]? . Explain the function/s of the tentacles in polyphosphates. 23. Describe reproduction in polyphosphates and notice how it differs from sex in earthworms. 24.
What type of larva do polyphosphates have? Who else has a Terpsichore larva? Do all annelids have a Terpsichore larva? If not, who does and who does not? What habitat works for a Terpsichore larva? Is the Terpsichore larva a useful characteristic for linking phyla? Explain your answer. 25. In what ways are mollusks and annelids linked [what characteristics do they share]? 26. Earthworms are members of class Oligocene. Translate the words polyphosphate and Oligocene.