Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
41 Cards in this Set
- Front
- Back
The Flexible connective tissue found in sharks is |
cartilage |
|
The flap of tissue that covers a bony fish's gills is the |
operculum |
|
Openings on the sharks head that aid in breathing are the |
spiracles |
|
The __________ along a fish's body detects sound vibrations. |
lateral line organ |
|
Bony fishes maintain buoyancy with their |
swim bladders |
|
Phylum Chordata Characteristics |
Hollow dorsal nerve cord Notocord Pharyngeal gill slits Vertebrates |
|
The Sea Squirt, Lancelet, Acron Worm are all the the phylum |
Protochordates |
|
Name something from the class Agnatha |
Jawless fish like the sea lamprey and hagfish |
|
The sea lamprey and the hagfish are both _____________ |
Parasitic |
|
How does the sea lamprey feed? |
Uses sharp teeth and rasping tongue to burrow through flesh |
|
How do hagfish eat |
release slim as defense mechanism |
|
Characteristics of the class Condrichytes |
Placoid scales Gill slits are visible and located ventrally Spiracles-breathing holes Ventral mouth Fins more rigid that bony fish |
|
Name something in the class condrichytes |
cartilagenous fishes like sharks, skates and rays |
|
Skates and rays live where and eat what |
bottom dwellers that eat crustaceans and mollusks |
|
How is reproduction in sharks differant from other fish |
Internal fertilization Male sharks have claspers that transfer sperm some internal development with live birth some external with mermaids purse |
|
Characteristics of Class Osteichthyes |
Bony skeleton, vertebra scales secret mucus coating |
|
What is the purpose of the scales secreting mucus coating |
acts as barrier to infection reduces friction so fish glide through water easier |
|
Bony Fish Life Functions Acronym |
Bony Fish Live Beneath the Deep Sea Right?
|
|
Bony Fish Life Functions |
Breathing Food Getting Locomotion Buoyancy Digestion and transport Sensitivity Reproduction |
|
acorn worm |
wormlike protochordate; adult has dorsal nerve cord and gill slits |
|
ampullae of Lorenzini |
in shark, nerve receptors in tiny pores in snout which detect electric fields in other animals |
|
bony fishes |
have bony skeleton loose scales on skin, swim bladder |
|
cartilage |
the flexible connective tissue composed of cells and protien found in sharks |
|
cartilagenous fishes |
have cartidge skeletons, gill slits, placiod scales |
|
chordates |
animals having dorsal nerve cord, notocord, pharyngeal gill slits at some stage of development includes all photochordates and vertebrates |
|
claspers |
in male shark pair of organs between pelvic fins that transfer sperm |
|
ectothermic |
term for animal in which body temperature is determined by the external environment |
|
gill slits |
in cartliaginous fishes visible openings for breathing |
|
jawless fishes |
parasitic jawless retain larval notocord and lack true scales |
|
lancelet |
a fish like photochordate adult retains all three primative chordate traits |
|
lateral line organ |
line of sensative sound receptors along each side of a fishes body |
|
nekton |
term for marine animals that have the ability to swin |
|
operculum |
in snails thick pad of tissue that closes shell opening over foot in bony fish flap of tissue that covers gills |
|
pelagic |
term for open water species of fish |
|
placoid scales |
in cartalageouns fish scales are tiny teeth imbedded deep in skin |
|
protochordates |
primative invertabrate -tunicate, lanclet, and acorn worm |
|
spawning |
in bony fish the release of gamates during external fertilization |
|
spiracles |
in cartalageouns fish breathing holes on dorsal side behind each eye |
|
swim bladder |
in boney fish internal gas filled organ that lets a fish adjust it's level in the water |
|
tunicates |
sessile protochordates larval stage has primitave chordate traits |
|
vertebrates |
higher chordates all have a skeleton, backbone, skull and brain |