Biol 225 - Earthworm Quiz
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92 Terms
What is point 1 on this worm
setae
What is point 2 on this worm
Parapodia
What are setae used for
locomotion and defense
What are parapodia used for
locomotion and respiration
What is point 1 on this worm
peristomium
where is the peristomium located
around the mouth
Where is the prostomium located
before mouth
What is point 2 on this worm
Prostomium
What does Polychaeta mean
many long hair
Where is class polychaeta primarily found
benthic marine environments
What class are leeches in
hirudinea
What is point 1 on this leech
oral sucker with mouth
What is point 2 on this leech
caudal sucker
What class are earthworms in
Sedemtaria (old class Oligochaeta)
What does class oligochaeta mean
few long hairs
What is point 1 on this earthworm
clitellum
What is this
earthworm
What is point 1 on this earthworm
prostomium
What is point 2 on this earthworm
mouth
What is point 3 on this earthworm
peristomium
What is being pointed to on this earthworm
setae
What do setae help the earthworm with
holding onto a surface
What is point 1 on this earthworm
anus
What is point 2 on this earthworm
pygidium
What is point 1 on the earthworm
seminal grooves
What is point 2 on this earthworm
male pores
What exits from a male pore
spermatozoa
Where do the spermatozoa travel after exiting from the male pores
along seminal grooves to another earthwormâs seminal receptacles
Are earthworms monecious or diecious
monoecious
What is point 1 on this earthworm
male pores
What is point 2 on this earthworm
female pore
What is discharged from the female pores
eggs (discharged from oviducts to female pore)
how many female pores are on an earthworm
2
What are these
openings to seminal receptacles
What enters the seminal receptacles
sperm from another fluke and stored here
What is this on the earthworm
both male pores
What is this on the earthworm segment
typhlosole
What does the typhosole do
(intestinal fold) increases surface area available for digestive enzyme production and food absorption
What is point 1 on this earthworm
intestine
What is point 2 on this earthworm
typhlosole
What is point 1 on this earthworm
metanephridia
What does the metanephridia do
take in coelomic fluid and reabsorb glucose and salts while ammonia and excess water are excreted through a pore
What is point 2 on the earthworm
(remnants of) septa
what is point 1 on this earthworm
ventral nerve cord
What is point 2 on this earthworm
ventral blood vessel
What is the dark line marking
The dorsal blood vessel
What is this on the earthworm
intestine
What is point 1 on the earthworm
intestine
What happens in the intestine
enzymatic digestion and absorption
What is point 2 on the earthworm
dorsal blood vessel
What side is of the earthworm is this
ventral side (no clitellum)
What is point 1 on this earthworm
dorsal blood vessel
What is point 2 on this earthworm
intestine
What is point 3 on this earthworm
gizzard
What is the gizzard used for
grinding organ
What is point 4 on this earthworm
seminal vesicles
What is point 5 on this earthworm
seminal receptacle
What is point 6 on this earthworm
aortic arches
what do the aortic arches do
carry blood from dorsal to ventral blood vessel
What is point 7 on this earthworm
seminal receptacles
What is point 8 on this earthworm
crop
What does the crop do
temporarily stores food
What is point 1 on this earthworm
dorsal blood vessel
What is point 2 on this earthworm
aoritc arches
What is point 3 on this earthworm
ventral blood vessel
What is point 1 on this earthworm
intestine
What is point 2 on this earthworm
seminal vesicles
What is point 3 on this earthworm
esophagus
What does the esophagus connect
pharynx to crop
What is point 4 on this earthworm
pharynx
What is point 6 on this earthworm
seminal receptacles
What is point 8 on this earthworm
crop
What is point 9 on this earthworm
gizzard
What is point 10 on this earthworm
dorsal blood vessel
What is point 1 on this earthworm
cerebral ganglia
What is point 2 on this earthworm
circumpharyngeal connectives
What do the circumpharyngeal connectives connect
cerebral ganglia to 1st ganglion along ventral nerve cord
What is point 3 on this earthworm
subpharyngeal ganglion
What is point 4 on this earthworm
ventral nerve cord
What is point 1 on this earthworm
ventral nerve cord
What is point 2 on this earthworm
lateral nerves
What is point 1 on this earthworm
ventral blood vessel
What is point 2 on this earthworm
lumen of intestine
What is point 3 on this earthworm
intestine
What is point 4 on this earthworm
longitudinal muscles
What is point 5 on this earthworm
circular muscles
What is point 6 on this earthworm
cuticle and epidermis
What is point 7 on this earthworm
dorsal blood vessel
What is point 8 on this earthworm
typhlosole
What is point 9 on this earthworm
coelom
What is point 10 on this earthworm
ventral nerve cord