Term
| What are the three worm phyla? |
|
Definition
| platyhelminthes, annelida, nematoda |
|
|
Term
| what is the common name for platyhelminthes? |
|
Definition
|
|
Term
| Name 3 important anatomical features of platyhelminthes |
|
Definition
| aceolomate, tripoblastic, body wall has opposing muscle |
|
|
Term
| what does tripoblastic mean? |
|
Definition
| 3 germ layers in embryo en, mes, ecto |
|
|
Term
| how is the gut arranged in a platyhelminthe? |
|
Definition
|
|
Term
| where is the pharynx located on platyhelminthes?(mouth area) |
|
Definition
|
|
Term
| what is the name of the free living flatworms? |
|
Definition
| class turbilleria planaria |
|
|
Term
| do platyhelminthes epidermis have cilia? |
|
Definition
|
|
Term
| where is the mouth on a platy? |
|
Definition
|
|
Term
| are platyhelminthes mono or dioecious? |
|
Definition
|
|
Term
| what are the classes of the parasitic non free living platys? |
|
Definition
| cestoda-flatworms, trematoda-flukes |
|
|
Term
|
Definition
| carnivorous eat sessile invertebrates ie sponges |
|
|
Term
| what do platys do with pharynx when eating? |
|
Definition
| they evert it, puncture prey, secrete enzymes, and suck up fluids tissue |
|
|
Term
| what sex are the flatworms? |
|
Definition
| hermaphrodites both sperm and egg. they exchange sperm packets |
|
|
Term
| can flatworms reproduce any other way? |
|
Definition
| yeas binary fission you cut off a piece will fully develop into new worm. |
|
|
Term
| Do flatworms mimic any creature? |
|
Definition
|
|
Term
| What is the common name for nematoda? |
|
Definition
|
|
Term
| what kind of blastula do nema's have? |
|
Definition
|
|
Term
| what kind of muscle do nematodes have? |
|
Definition
|
|
Term
| what kind of coelum do nematodes have? |
|
Definition
| psuedo coelum, filled with fluid. mesoderm only around body wall not organs |
|
|
Term
| how many species of nematoda? |
|
Definition
|
|
Term
| how big are most nematodes? |
|
Definition
| really tiny like the vinegar eels |
|
|
Term
| what phylum of worms is ascaris? |
|
Definition
|
|
Term
|
Definition
|
|
Term
| what kind of nerve cords do nematodes have? |
|
Definition
| dorsal and ventral nerve cords |
|
|
Term
| what kind of pharynx do nematodes have? |
|
Definition
|
|
Term
| what are the sensory structures of nematodes? |
|
Definition
|
|
Term
| are nematodes monoecious or dioecious? |
|
Definition
| dioecious 2 different sexes |
|
|
Term
| what are two common names for annelids? |
|
Definition
| earthworm and the leeches |
|
|
Term
| which worm phyla have cephalization? |
|
Definition
| flatworms platyhelminthes, and annelida earthworms |
|
|
Term
| are annelids tripoblastic? |
|
Definition
|
|
Term
| what is the blastula like for all worm phyla? |
|
Definition
|
|
Term
| what is the phylum that is trully segmented? |
|
Definition
|
|
Term
| what kind of symmetry in annelids? |
|
Definition
|
|
Term
| what kind of muscles found in annelida? |
|
Definition
| longitudinal and circular muscle |
|
|
Term
| what kind of coelum do annelids have? |
|
Definition
| true coelum fluid filled surrounds organs |
|
|
Term
| who has complete digestive systems? mouth and anus? |
|
Definition
NOT free living flat worms.
ANnelida does and so does nematoda |
|
|
Term
| can annelids be monoecious? |
|
Definition
|
|
Term
| what kind of 'stome are annelids? |
|
Definition
| protostome radial cleavage indeterminate |
|
|
Term
| do annelids regenerate when cut? |
|
Definition
| no they do not. NOT earthworms |
|
|
Term
| what are the classes of segmented worms? |
|
Definition
| oligochaetes and polychaetes |
|
|
Term
| how many setae per segment in segmented worms? |
|
Definition
|
|
Term
| how many setae per segment in segmented worms? |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| most segmented worms are monoecious?t/f |
|
Definition
|
|
Term
| how many kidney/nephridia per segment? |
|
Definition
|
|
Term
| do annelida have a brain? |
|
Definition
|
|
Term
|
Definition
| freeliving segmented worms with setae=chaete many |
|
|
Term
| do polychaetes have parapodia? |
|
Definition
|
|
Term
|
Definition
| some are carnivores some are sessile filter feeders |
|
|
Term
| what kind of muscles in polychetes |
|
Definition
| longitudinal and circular |
|
|
Term
| what do the oblique muscles control in polychaetes? |
|
Definition
|
|
Term
| what is an example of a scary polychaete? |
|
Definition
|
|
Term
| what are the most common marine annelids? |
|
Definition
|
|
Term
| do some polychates live in tubes? |
|
Definition
|
|
Term
| are all tube dwellers sessile? |
|
Definition
| no some can be errant move around |
|
|
Term
| all sessile polychates are tube dwellers? t/f |
|
Definition
|
|
Term
| where do tube dweller worms live? |
|
Definition
| sessile ones near volcanic sea floor |
|
|
Term
|
Definition
|
|
Term
| all polychaetes have parapodia and settae? T/F |
|
Definition
|
|
Term
| is being a sessile an evolutionary reversal? |
|
Definition
|
|
Term
| what kind of symmetry do sessile polychaetes have? |
|
Definition
|
|
Term
| how do the polychaetes breathe? |
|
Definition
|
|
Term
| how do predatory polychaetes feed? |
|
Definition
exude pharynx for glycera
and neiris has jaws |
|
|
Term
| how do sessile polychaetes feed? |
|
Definition
| filter feed. example chaetopterus and fan worms |
|
|
Term
| what are deposit feeding womrs? |
|
Definition
| live in mud and dissolve nutriunts through diffusion |
|
|
Term
| what are examples of deposit feeders |
|
Definition
|
|
Term
| how do most polychaetes reproduce? |
|
Definition
| mostly sexual by spawning |
|
|
Term
| are polychates mono or dioecious? |
|
Definition
| most diocious, can be hermaphrodiets. |
|
|
Term
| what kind of of larvae are found in polychaetes? |
|
Definition
| trocophore larvae looks similar to some snail mollusc larvae |
|
|
Term
|
Definition
| polychaetes release free smimming reproductiove forms called epitokes which can be bioluminescent and travel to each other |
|
|
Term
| what form of polychaetes uses epitoky and why |
|
Definition
| sessiles because cant move to mate |
|
|
Term
| what is significant about oligochates in their name? |
|
Definition
| few bristles meaning diminished setae chaetes |
|
|
Term
| do polychaetes have clitellum? |
|
Definition
|
|
Term
|
Definition
| reproductive piece that is a mucous capsule where eggs are laid which later falls off and develops into embryos |
|
|
Term
| how does clitellum keep from drying eggs? |
|
Definition
| PROTEINS PROTECTIVE CAPSULE |
|
|
Term
| do oligochates have parapodia? |
|
Definition
|
|
Term
| how do oligochates breath? |
|
Definition
| through body wall by diffusion |
|
|
Term
| where can oligochates be found? |
|
Definition
| freshwater or terrestrial |
|
|
Term
| do oligochatea have head? |
|
Definition
|
|
Term
| what is an example of oligochate |
|
Definition
|
|
Term
| are all oligochaetes mono or dioecious? |
|
Definition
| hermaphrodites so monoecious both sex organs ALL OF THEM ARE |
|
|
Term
| what are some organs that earthworm has? |
|
Definition
| mouth, esophogus, crop, gizzard, intestine |
|
|
Term
| oligochaetes have what special about their circulatory system? |
|
Definition
| they have hemoglobin like us |
|
|
Term
| what is the purpose of the crop? |
|
Definition
|
|
Term
| what is the purpose of gizzards in earthworm |
|
Definition
|
|
Term
| whats special about intestine in earthworm? |
|
Definition
| its curved in to increase surface area cuz of many indigestibles |
|
|
Term
| what is the "liver" in an earthworm? |
|
Definition
|
|
Term
| what kind of skeleton do earthworms have? |
|
Definition
|
|
Term
| do all annelids have hydrostatic skeleton? |
|
Definition
|
|
Term
| how do movement of oligochates and polychates differ? |
|
Definition
| oligochates dont have parapodia which other does have and uses |
|
|
Term
| sessile polychates and oligochates use what kind of movement method? |
|
Definition
|
|
Term
|
Definition
| how oligochates move. they change shape of body wall stretch and pull |
|
|
Term
| what happens when circular muscles contract? |
|
Definition
|
|
Term
|
Definition
|
|
Term
| what kind of parasites are leeches? |
|
Definition
|
|
Term
|
Definition
| no. no septa means no peristalysis |
|
|
Term
| do hirudenia still have segmentation? |
|
Definition
|
|
Term
|
Definition
| snake like with sucktion cups on both ends |
|
|
Term
| how much food do leeches eat? |
|
Definition
| 3x body weight per meal. fat whores |
|
|
Term
| what is special about leeches? |
|
Definition
| they have salivary anticoagulants |
|
|
Term
| who are the parasitic worms? |
|
Definition
| nematodes, hirudinea(annelid), platyhelminthes |
|
|
Term
| what is definition of parasitic relationship? |
|
Definition
| parasite benefit, host detrimental |
|
|
Term
|
Definition
| lives inside organs/tissue |
|
|
Term
|
Definition
| primary and intermediate/secondary |
|
|
Term
| what is defined as primary host? |
|
Definition
| where parasite lives as adult and has sex |
|
|
Term
|
Definition
|
|
Term
| what are the evolutionary trends of parasitic worms? |
|
Definition
| lose cns, lose head, decrease gut, increased reproduction, some have non-sepearted cytoplasms |
|
|
Term
| what does tegument become in parasitic worms? |
|
Definition
|
|
Term
| do parasitic worms have microvilli? |
|
Definition
| yes for increased surface area for diffusion of nutrients |
|
|
Term
| what is special about reproduction in parasitic worms? |
|
Definition
| MAIN FUNCTION reproduce. asexual stages and sexual stages |
|
|
Term
| what is the common name for platyhelminthes trematoda? |
|
Definition
|
|
Term
| what is the life cycle for platy trematoda flukes? |
|
Definition
cilliated MIRACIDIUM (swimmer),
becomes sporocyst makes many
redia makes many
cercaria swimming tail becomes
metacercaria, becomes adult |
|
|
Term
| what do parasites have to avoid? |
|
Definition
| dislodgement, digestion, use anesthetic, immune system, |
|
|
Term
| what are the two platyhelminthes parasite classes? |
|
Definition
trematoda-flukes
cestoda-tapeworms |
|
|
Term
|
Definition
| yes, schitzostomes can be dioecious |
|
|
Term
| what is definitive host of chinese liver fluke? |
|
Definition
|
|
Term
| what is receptacle for in fluke? |
|
Definition
|
|
Term
| what is special about trematode schitostoma? |
|
Definition
| dioecious and female lives in male. |
|
|
Term
| where can you find schistostomas? |
|
Definition
|
|
Term
| what is special about cestoda? |
|
Definition
| they make proglotids and have a scolex |
|
|
Term
| what does it mean to be gravid? |
|
Definition
| pregnant like in tapeworms cestoda |
|
|
Term
| what is bad if you eat the tapeworm in the wrong time in life cycle? |
|
Definition
| develop cysts form oncospheres landing in all organs which should only happen in intermediate host |
|
|
Term
| which class responsible for cysts in brain? |
|
Definition
|
|
Term
| what is special about nematoda parasites? |
|
Definition
| they travel to lungs first coughed up and swallowed into intestine |
|
|
Term
| nematoda hookworm lifecycle |
|
Definition
| feces, walk on it, burrow in your foot, go to blood, find way to lungs, coughed up, swallowed |
|
|
Term
| what is fillarial in fillarial nematodes? |
|
Definition
|
|
Term
|
Definition
| mosquito sucks larvae from infected host and injects into new hosts. |
|
|
Term
| where can fillarial worms live? |
|
Definition
| heart, blood, lymph vessels |
|
|
Term
| elephantysis is caused by what? |
|
Definition
| fillarial nematoda infection lymph nodes preventing fluid from traveling back |
|
|
Term
| what is special about annelida hirudonea leeches? |
|
Definition
| chitonous jaws, no setae, no septa in coelum, sense organs spread around body |
|
|
Term
| what is significant about porifera sponges? |
|
Definition
| no symmetry, various holes, filter water |
|
|
Term
| what are the large holes called in sponges? |
|
Definition
|
|
Term
| do sponges have germ layers/tissues? |
|
Definition
|
|
Term
| what are collagen fibers caled in sponges |
|
Definition
|
|
Term
| what are the two types of spicules? |
|
Definition
|
|
Term
| what can you use to ditermine species of sponge? |
|
Definition
| distribution and composition of spicules |
|
|
Term
| what is class heactinellida? |
|
Definition
|
|
Term
| what do choanocytes resemble? |
|
Definition
| choanoflagellates which are NOT sponges |
|
|
Term
| what do sponges have that no one else does? |
|
Definition
|
|
Term
| how do choanocytes create water flow? |
|
Definition
| using flagella to move water |
|
|
Term
| how do sponges trap food and sperm? |
|
Definition
| they flow water through a net like struckture around flagella on choanocytes |
|
|
Term
| how do sponges reproduce sexually? |
|
Definition
| choanocytes become sperm or ova. usually monoecious |
|
|
Term
|
Definition
| cell that covers surface of sponge and is flat |
|
|
Term
| how can sponges alter water flow? |
|
Definition
| pinacocytes change shape to alter water flow |
|
|
Term
|
Definition
| all cells in sponges are slef sufficient but are still together. |
|
|
Term
| Can a choanocyte become a pinacocyte? |
|
Definition
| yes because all sponge cells are totipotent |
|
|
Term
|
Definition
|
|
Term
| what are the 3 forms of sponge? |
|
Definition
| asconoid, syconoid, leuconoid |
|
|
Term
|
Definition
| where water flows in in sponge |
|
|
Term
| where does water flow in oscula? |
|
Definition
|
|
Term
| what is the name of the space in a asconoid? |
|
Definition
| spongocoel/atrium also found in syconoid |
|
|
Term
| what is the water flow in syconoid sponge? |
|
Definition
| osteum to incurrent canal to prosopyle to flaggelated chamber to apopyle to atrium to osculum |
|
|
Term
| what is the largest most complex sponge type? |
|
Definition
|
|
Term
| do leuconoid sponges have an atrium? |
|
Definition
|
|
Term
| how is repiration and exretion accomlished in sponges? |
|
Definition
|
|
Term
| what kind of reproduction do sponges have? |
|
Definition
|
|
Term
| what is one form of asuexual reproduction in sponges? |
|
Definition
| regeneration, fragmentation, budding |
|
|
Term
| what is viviparous in sponges? |
|
Definition
| sperm is release in clouds and goes to other sponge and captured then released larvae |
|
|
Term
|
Definition
| porifera carbonate spicules |
|
|
Term
| who has not six rayed spicules made of silicone around a filmaent with spongin network? |
|
Definition
|
|
Term
| what is unique about heactinellida? |
|
Definition
| 6 rayed spicules glass, pretty shapes lattices |
|
|
