Identification
Two examples of Chondrichithyes.
What are any of the following: sharks, skates, dogfish, sharp nose, tiger shark, eagle ray, stingray, or any other cartilage fish.
Compared to human's 4 chambered heart, fishes have a ____ chambered heart
What is 2
The gas-filled sac just above the stomach and intestine that allows bony fish to stay buoyant
What is the swim bladder
The structure that helps Chondrichthyes maintain balance and change direction.
What are pectoral fins?
The 3 types of marine fishes
What is Agnatha, Osteichthyes, and Chondrichthyes.
Two examples of Osteichthyes.
What is perch, tuna, salmon, bluegill, sunfish, or any other types of bony fish.
A gill covering.
What is an operculum?
Type of caudal fin where both upper and lower lobes are the same length
What is Homocercal?
Type of caudal fin where the upper lobe is longer than the lower lobe
What is Heterocercal?
The type of body shape that is vertically compressed. Example: Perch
What is compressed?
Two examples of Agnatha.
What are Hagfish and Lamprey.
The type of circulatory system that is found in fish.
What is single loop circulatory system?
The most common type of reproduction, where sperm is released into the water
What is spawning?
A portion of intestine in cartilaginous fishes that increases internal surface area and slows down digestions
What is spiral valve or spiral intestine?
The type of body shape that is elongated. Example: American eel.
What is filiform or attenuated?
What is any of the following: Swim bladder, Homocercal tail, Bones, or Operculum.
The structure that contributes to buoyancy in sharks.
What is the liver?
What are placoid scales?
Evolutionary modified neuromasts that can detect minute electric potentials
What is ampullae of lorenzini
Type of reproduction where the young are born live
What is viviparous?
What are two main characteristics of agnatha?
What are jawless fish, filiform body, or sucker-like mouth.
The thin, tough layer of skin that covers the eye of sharks when feeding is known as this
A series of pores lined with specialized cells in the form of a line to detect vibrations or pressure changes.
What is the lateral line or lateral line system?
A color pattern with a dark back (dorsal) and light belly (ventral) that allows animals to blend bin when looking from the side
What is countershading
Type of reproduction where eggs are kept inside and hatch before being released from the uterus
What is Ovoviviparious?