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Inner Anatomy
Phylum
Inner Anatomy
Behavior
Phylum
100
squalene is produced by the ____ of sharks
liver
100
the earliest fish are represented today by
hagfish and lamprey
100
the neuromast cells are part of the system to
detect vibrations
100
the feeding mode of adult lampreys is considered
parasitism
100
Class Myxini includes
Hagfish
200
Bony fish usually do not need to adjust pupil size because
the quantity of light is relatively low
200
which group has dorsoventrally flattened pectoral fins
Elasmobranchii (rays)
200
neuromasts cells are associated with the ____ of sharks
lateral line
200
how do freshwater fish battle the problems brought by living in water
never drink and urinate very dilute urine
200
____ are a good example of a catadromous fish
freshwater eels
300
the lateral line is part of the system to
detect vibrations
300
what is a likely place to find a lancelets
Tampa Bay
300
the ampullae of Lorenzini are specialized organs for detecting ____ that are found in sharks
electrical output
300
the feeding mode of hagfish is considered
predation and scavenging
300
the largest known fish is
the whale shark
400
the nictitating membrane of sharks is used to
cover the eye
400
which class contains the sharks, skates, and rays?
Condrichthyes
400
The majority of shark's brain is devoted to processing signals of
olfaction
400
ammocoetes, the larval forms of lampreys, feed
on suspended particles
400
hagfish are caught commercially for their
hide
500
Deoxygenated blood is initially collected by the
sinus venosus
500
Jawed vertebrates belong to the superclass
Gnathostomata
500
how many chambers are in the heart of a fish
two
500
a defense mechanism of hagfish is
abundant mucus
500
a fish in which a sharp spine is associated with the dorsay fins is the
spiny dogfish