Biodiversity Unit IV Final Exam Brooks FAU Already Passed

Biodiversity Unit IV Final Exam Brooks FAU Already Passed Organisms in Phylum Annelida are distinguishable by their _________ bodies. segmented The worm-like shape found in Annelids is known as __________. Vermiform Annelids have the best ________ in the world. Why is this? Coelom, because they have a coelom in each individual segment. Each segment found in Annelids contains ________ & ________ Metanephridia [kidneys], hearts Because the segments of Annelids look the same, they are described as displaying Homonomous metamerism Metameres are segments found in Annelids Annelids have which two types of muscles? This distinguishes them from which other phylum? Longitudinal and Circular; Nematoda [only has longitudinal]; allows earthworms to crawl instead of just thrash Annelid blood has ________ and can be which two colors? Hemoglobin, green or red Trocophore Larvae Found in both annelids and mollusks; suggests link between the two phyla. What type of circulatory system do annelids have? What is unique about their hearts? Closed; first heart that is very similar to human heart Parapodia fleshy extensions found in annelids; used for locomotions and are living Setae secretions in annelids that function for locomotion; not alive and are made of chiton Class Oligochaeta is commonly known as the _________ Earthworm Oligochaetes have a _______ head undifferentiated/poorly developed head; do not need vision Describe Class Oligochaete reproduction are typically monoecious/hermaphroditic; pair up anti parallel; fertilization occurs in the clitellum and once fertilized they slip clitellum off and it serves as a cocoon for developing embryos Oligochaete epidermis needs to remain ________ moist for respiration Respiration in Oligochaetes occurs through diffusion in the epidermis Oligochaetes can get up to________ long 2 meters Class Polychaeta is found in which phylum Annelida Polychaetes have a _________ head and __________setae well-developed head with eyes, jaws, tentacles and parapodia; many-setae Polychaetes create_______ and _____ _______ Tubes and feathery structures Polychaete tubes have what in common with Gastropods? operculum Polychaetes include Palolo worms, Christmas tree worm, fire worms Palolo Worms Polychaete that somehow communicates for reproduction, have massive orgy [proglottids hold reproductive material]; some think they are aphrodesiacs