lophotrochozoa

Question 1

what is a lophotrochozoa

Answer 1

type of prostomes

Question 2

what two main groups of lophotrochozoa are there

Answer 2

spiralians and lophophorates

Question 3

all phyla of lophotrochozoa

Answer 3

platyhelminth

rotifera

bryozoa

brachiopoda

phoronida

nemertea

annelida

mollusca

Question 4

lopphore structures

Answer 4

covered with cillia which trap particles int he water and transprot marticles to mout to filter feed

Question 5

trophophore larvae

Answer 5

larvae stage with ring of cilia (spiralia)
- sgemented worms, coelmicand spiral cleavage
found in molluscs and annelids for example

Question 6

examples of species with trophophore larvae

Answer 6

earthworms
leeches
bristleworms
myzostomids

Question 7

echuiran

Answer 7

borelia vindis; larvae decides gender by where it lands

male; paraistic bag of testicles

adult isnt segmented; only in embryonic developed looks like trochophore larvae

Question 8

sipuncula

Answer 8

phascalian stroma

weird looking trochophore larvae

similar genes to annelids

Question 9

key features of mollsucs

Answer 9

coelmic cavaity
spiral cleavage
trophphore larvae

radula (rasping tongue)
mantel
shell 
gills
muscular foot

Question 10

molluscs groups

Answer 10

bivalvia
gastropods
cephalopods
polyplacophora

aplacapophyla and monoplacophora (ancient)

Question 11

bivalvia

Answer 11

type of mollusc: oysters and mussles

Question 12

gastropods

Answer 12

type of mollusc: slugs and snails

Question 13

cephalopods

Answer 13

type of mollusc: squid, octopus and cuttlefish

Question 14

polyplacophora

Answer 14

type of mollusc: chiton

Question 15

aplacophora

Answer 15

type of mollusc: (ancient) caudoforesta

Question 16

monoplacophora

Answer 16

type of mollusc: neopillana(ancient)

Question 17

nemertea characteristics

Answer 17

ghoslike structure

no cavaity

adults grow out of larvae; first meal is outer layer
many have sharp spikes

Question 18

example of nemertea

Answer 18

flatworms and unsgemmented worms

Question 19

polyclad flatworms

Answer 19

may have a trophopre larvae

Question 20

tuverlleian flatworms

Answer 20

nemertea; polyclad turbellena

maritegella

t

Question 21

parastic flatworsm

Answer 21

cestode; tape worm

trematatod- liver fluke

Question 22

other lophotrochozoan examples

Answer 22

phornids

braciopods (lamp shells)

bryozoan (moss animal)

Question 23

connections between lophophorate braciopods and trochophore annelids

Answer 23

• early developends suggest tjey might be both dervied from a trochopphore larvae

Question 24

rotifers

Answer 24

some groups are asexual and believed to have derived from a trochophore

Question 25

haikierilids

Answer 25

brachiopods and annelid ancestor 500 mya possibly

Question 26

obsrure lophotgrochozan examples

Answer 26

rotifers gnathostomata microchanthozoa

Question 27

gnathifera

Answer 27

had jaws may constitute group in lophophorates have belly with hair

Question 28

what phyla have trochophore larvae

Answer 28

annelids molluscs sipunalids maybe nemerteans and plathelminth