locate the external structures of the following vertebrates: SHARK head/trunk/ta
ID: 41388 • Letter: L
Question
locate the external structures of the following vertebrates:
SHARK
head/trunk/tail ________
mouth/teeth/jaw ________
external nares ________
spiracles ________
external gill slits ________
endolymphatic pores ________
dorsal fins, pectoral fins, pelvic fins ________
clasper (males) ________
cloacal aperture ________
caudal fin ________
placoid scales _______
FROG
head/trunk ________
nictitating membrane ________
external nares ________
mouth/teeth/jaw ________
tympanic membrane (tympanum) ________
forelimbs/hindlimbs ________
cloacal aperture ________
RAT
head/neck/trunk/tail ________
mouth/jaw/teeth ________
pinnae ________
external nares (nostrils) ________
nictitating membrane (conjunctiva) ________
mammary glands (nipples) __________
scrotum (male) ________
vagina (female) ________
anus ________
forelimb/hindlimb/claws ________
hair, tail ________
Choose between...
For rat:
cranial
caudal
rostral
dorsal
ventral
medial
lateral
proximal
distal
superficial
deep
superior
inferior
For the frog:
rostral
cranial/anterior
caudal/posterior
dorsal
ventral
midline
median
medial
lateral
proximal
distal
superficial
deep
For the shark:
rostral
cranial/anterior
caudal/posterior
dorsal
ventral
midline
medial
lateral
proximal
distal
superficial
deep
Explanation / Answer
answer---
SHARK
mouth/teeth/jaw ____HEAD
external nares ________HEAD
spiracles ________ HEAD
external gill slits ________ HEAD
endolymphatic pores ________ TRUNK
dorsal fins, pectoral fins, pelvic fins ________TRUNK
clasper (males) ________TAIL
cloacal aperture ________TAIL
caudal fin ________TAIL
placoid scales _______ TAIL
FROG
nictitating membrane ________HEAD
external nares ________HEAD
mouth/teeth/jaw ________ HEAD
tympanic membrane (tympanum) ________HEAD
forelimbs/hindlimbs ________TRUNK
cloacal aperture ________ TRUNK
RAT
mouth/jaw/teeth ________HEAD
pinnae ________HEAD
external nares (nostrils) ________HEAD
nictitating membrane (conjunctiva) ________HEAD
mammary glands (nipples) __________TRUNK
scrotum (male) ________TAIL
vagina (female) ________TAIL
anus ________TAIL
forelimb/hindlimb/claws ________TRUNK
hair, tail ________TAIL
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