Lab Practical #2 Flashcards
what is the class of a snail?
class bivalva
class gastropoda
class cephalopodia
class polyplacophora
class gastropoda
what is the class of a mussel?
class bivalva
class gastropoda
class cephalopodia
class polyplacophora
class bivalva
where are the adductor muscles in a mussel?
on the outer shell (left and right) near the hinge
where is the pericardial sac in a mussel?
nearest the hinge in the middle
where is the heart in a mussel?
on the pericardial sac (middle)
where is the mantle in a mussel?
inside the shell, between the shell and the body
where are the gills in a mussel?
in the center, contains ridges
where is the foot in a mussel?
on the underside of its body, protruding from the anterior end of its shell
where is the labial palp in a mussel?
mantle cavity, at the anterior end of the visceral mass, and surround the mouth; near the center
where is the umbo in a mussel?
the shells outward area
what class are andodonota and dreissena from?
class bivalva
class gastropoda
class cephalopodia
class polyplacophora
class bivalva
what class is loligo (squid)?
class bivalva
class gastropoda
class cephalopodia
class polyplacophora
class cephalopodia
where are the fins of a squid?
on the top (tip)
where is the siphon of a squid?
near the eye on the posterior end
where are the gills in a squid?
inside the mantle cavity, on either side of the siphon; they appear as two feathery structures within the main body of the squid.
where are the hearts of a squid?
at the base of the gills
where is the ink sac in a squid?
among the squid’s innards, beneath the gut, and close to the anus, thin and slivery black vein
where is the caecum in a squid?
within the mantle cavity, situated next to the gonads
where is the pen located in a squid?
on the dorsal side of its body, within the mantle, and runs along the midline
where is the beak of a squid?
in the center of its arms, at the base of the mantle, and in the middle of where the arms and tentacles meeto
how do you determine whether a squid is a female or male?
Inside the mantle cavity of the squid, down by the fins the squid’s gonads can be found, ovaries in females, testes in males.
what class is chiton?
class bivalva
class gastropoda
class cephalopodia
class polyplacophora
class polyplacophora
where is the dorsal blood vessel located in nereis?
on the very top, black dot
where is the ventral nerve cord located on nereis?
very bottom, small dot
