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Chondrichthyes

Gelöschter Nutzer 47 Fragen Aktualisiert am 13 Okt 2018

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1Chondrichthyes are also known as...
1. Acartilaginous fish
2. Bbony fish
3. Cmolluscs
4. Dhagfish
2Chondrichthyes are characterized by...
1. Acartilaginous skeletons
2. Bteeth independent of jaw
3. Cno swim bladder
4. Dpelvic claspers
5. Egill slits
6. Fswim bladder
7. Gbony skeletons
8. Hsharp teeth
9. Ino gill slits
3[blank_start]Subclass holocephali[blank_end] ([blank_start]ratfishes[blank_end]) have a single gill opening, bulky head, and venomous spine in front of the dorsal fin.
1. ASubclass holocephali
2. BSubclass Elasmobranchii
3. Cratfishes
4. Dguitarfish
5. Esawfish
4[blank_start]Chimaeriformes[blank_end]--ratfishes--deepwater, upper jaws fused to skull, opercula

[blank_start]Rajiformes[blank_end]--guitarfish and skates--rajiform swimming, enlarged pectoral fins

Pristiformes--[blank_start]sawfish[blank_end]--long snout with numerous teeth

[blank_start]Myliobatiformes[blank_end]--sting rays, manta rays, eagle rays--swim by flapping pectoral fins
1. AChimaeriformes
2. BLamniformes
3. CHexanchiformes
4. DRajiformes
5. ETorpediniformes
6. FSqualiformes
7. Gsawfish
8. Hdogfish, lantern
9. Iangel sharks
10. JMyliobatiformes
11. KSquatiniformes
5[blank_start]Torpediniformes[blank_end]--electric rays--produce electric discharge

Hexanchiformes--[blank_start]cow sharks, frilled sharks[blank_end]--6 or 7 gill slits

[blank_start]Lamniformes[blank_end]--great white, thresher, basking--two dorsal fins, 5 gill slits

[blank_start]Orectolobiformes[blank_end]--whale, bamboo, nurse--two dorsal fins, small gill slits, 4th and 5th overlapping
1. ATorpediniformes
2. BChimaeriformes
3. CRajiformes
4. Dcow sharks, frilled sharks
5. Esaw sharks
6. Fangel sharks
7. GLamniformes
8. HPristiformes
9. ISqualiformes
10. JOrectolobiformes
11. KCarcharhiniformes
12. LMyliobatiformes
6[blank_start]Pristiophoriformes[blank_end]--saw sharks--lengthened snout, two dorsal fins, no anal fin

Squaliformes--[blank_start]dogfish, lantern[blank_end]--two dorsal fins, no anal fin, 5 gill slits

Squatiniformes--[blank_start]angel sharks[blank_end]--two dorsal fins, no anal fin, pectoral and pelvic fins broad

[blank_start]Carcharhiniformes[blank_end]--hammerhead, bonnethead, blacktip reef, bull--two dorsal fins, anal fin, 5 gill slits, nictitating membrane
1. APristiophoriformes
2. BChimaeriformes
3. CRajiformes
4. Ddogfish, lantern
5. Eguitarfish and skates
6. Fangel sharks
7. Gcow sharks, frilled sharks
8. Hsawfish
9. ICarcharhiniformes
10. JHexanchiformes
11. KTorpediniformes
7Chimaeriformes, Myliobatiformes, and Lamniformes are all examples of __________ classes.
1. AElasmobranch
2. BShark
3. COlithobranch
8Chondrichthyans all have enlarged lipid-filled [blank_start]livers[blank_end], used for [blank_start]buoyancy control[blank_end].
1. Alivers
2. Bswim bladders
3. Cstomachs
4. Dbuoyancy control
5. Eenergy storage
6. Ftemperature control
9Chondrichthyans use high-energy ketone bodies as metabolic substrates
1. ARichtig
2. BFalsch
10Chondrichthyans have low blood urea concentrations.
1. ARichtig
2. BFalsch

11Chondrichthyans have a [blank_start]cartilaginous[blank_end] skeleton. They [blank_start]lost[blank_end] dermal bone, [blank_start]retained[blank_end] dentine.
1. Acartilaginous
2. Bbony
3. Clost
4. Dretained
5. Eretained
6. Flost
12Cartilage is [blank_start]less[blank_end] dense than bone, so it assists in [blank_start]buoyancy[blank_end].
1. Aless
2. Bmore
3. Cbuoyancy
4. Ddurability
13Match the organ/adaptation to its sensory application.

Vision: [blank_start]Tapetum Lucidum[blank_end]
Electroreception: [blank_start]Ampullae of Lorenzini[blank_end] and [blank_start]Neuromast organs[blank_end]
1. ATapetum Lucidum
2. BLateral Line
3. CAmpullae of Lorenzini
4. DNictitating Membrane
5. ENeuromast organs
6. FHyomandibula
14Which adaptation (made of guanine crystals) increases visual acuity in twilight?
1. Atapetum lucidum
2. Bampullae of Lorenzini
3. Cnictating membrane
15Chondrichthyes initially locate prey using [blank_start]olfaction[blank_end], then identify them using [blank_start]vision[blank_end], and track them during the attack using [blank_start]electroreception[blank_end].
1. Aolfaction
2. Bvision
3. Celectroreception
4. Dolfaction
5. Evision
6. Felectroreception
7. Golfaction
8. Hvision
9. Ielectroreception
16What is the nictating membrane?
1. AAn opaque eyelid to protect eye when vision is no longer the primary sensory apparatus
2. BAn oily membrane coating the liver to further assist in buoyancy
3. CA thin membrane to protect the nostrils when olfaction is no longer the primary sensory apparatus
4. DThe membrane around the embryo in Chondrichthyes
17What is hyostylic jaw suspension?
1. Aupper jaw moves independently from skull, ligaments points of articulation
2. Battatched palatoquadrate to skull
3. Canothe name for a protruding jaw
18What are the advantages of hyostylic jaw suspension?
1. Aallows for greater suction
2. Bimproved precision in feeding
3. Cdecreases suction
4. Da funny smile
19What is an amphistylic jaw suspension?
1. Aattached palatoquadrate to skull
2. Bupper jaw moves independently from skull, ligaments points of articulation
3. Canother name for a protrusible jaw
20Suction feeding:
1. Amuscles swing hyomandibula laterally and anteriorly
2. Bhyomandibular extension
3. Cpalatoquadrate is protruded to limits of elastic ligaments on orbital processes
4. Dprotrusion drops mouth away from head
5. Edentition secialized to allow swollowing whole
21Ram feeding:
1. Aprotrusion drops mouth away from head
2. Bdentition specialized to allow swallowing whole
3. Cmuscles swing hyomandibula laterally and anteriorly
4. Dhyomandibular extansion
5. Epalatoquadrate is protruded to limits of elastic ligaments on orbital processes
22Chondrichthyes teeth are attached to the jaw via:
1. Acollagen
2. Bcartilage
3. Ccrazy glue
23Chondrichthyes predatory behaviors:
1. Aroving behavior
2. Bbioluminescent lures
3. Csub-lethal bites
4. Dsuction feeding
5. Efilter feeding
24[blank_start]Roving behavior[blank_end]: swimming back and forth across prey fields ([blank_start]seal & sea lion rookeries[blank_end])

[blank_start]Bioluminescent lures[blank_end]: deep-sea sharks

[blank_start]Sub-lethal bites[blank_end]: cookie-cutter sharks

[blank_start]Suction feeding[blank_end]: carpet sharks, leopard sharks...

[blank_start]Filter feeding[blank_end]: whale sharks, basking sharks, megamouth sharks ([blank_start]convergent evolution[blank_end])
1. ARoving behavior
2. BBioluminescent lures
3. CSub-lethal bites
4. DSuction feeding
5. EFilter feeding
6. Fseal & sea lion rookeries
7. Gconvergent evolution
25Identify the specimen by common name, scientific name, and family.
1. ASpotted Ratfish
2. BHydrolagus colliei
3. CFamily Chimaeridae
4. DFamily Carcharhinidae
5. EGaleocerdo cuvieri
6. FSawfish
26Identify by common name, scientific name, and family.
1. AWhale Shark
2. BFamily Rhincodontidae
3. CRhincodon typus
4. DFamily Carcharhinidae
5. ECarcharhinus leucas
6. FBlacktip Shark
27Family Chimaeridae are characterized by:
1. Asingle gill opening on each side
2. Bfirst dorsal fin preceded by spine
3. Cshort rounded snout
4. Dlong pointed caudal fin
5. Ehumpback
6. F2 dorsal fins
28Check all that apply to the Spotted Ratfish (Hydrolagus colliei)
1. Along venemous spine
2. BHabitat: soft bottoms to 500 fathoms
3. CDiet: clams, crabs, shrimps, fishes
4. DReproduction: oviparous
5. EIUCN status: Least Concern
6. FIUCN status: Endangered
7. GReproduction: viviparous
29Check all that apply to the whale shark (Rhincodon typus)
1. ALargest fish in the world
2. BViviparous
3. CRange: Circumtropical
4. DDiet: plankton
5. ELunate tail
6. Fhumpback
7. GRange: Circumglobal
8. HDiet: small fishes
30Family Carcharhinidae are characterized by:
1. A2 dorsal fins
2. Belongate caudal fin pointed upward
3. Conly 1 functional row of blade-like teeth at once
4. Dvenomous spine in front of dorsal fin
5. Efilter feeders
31Identify and check all that apply
1. ABull Shark
2. BCarcharhinus leucas
3. Cinshore, no spiracle
4. DIUCN status: near threatened
5. ECarcharhinus limbatus
6. Fcoastal and offshore, no spiracle, tips of pelvic fins black
7. GTiger Shark
32Identify and check all that apply
1. ABlacktip Shark
2. BCarcharhinus limbatus
3. Ccoastal and offshore, no spiracle, tips of pelvic fins black
4. Dinshore, no spiracle
5. Ecoastal and offshore, dark spots forming bars, small spiracle
6. FIUCN status: near threatened
7. GCarcharhinus leucas
33Identify and check all that apply.
1. ATiger Shark
2. BGaleocerdo cuvieri
3. Ccoastal and offshore, small spiracle, caudal peduncle with dermal reidge on each side
4. DIUCN status: near threatened
5. EIUCN status: endangered
6. FCarcharhinus leucas
7. GBull Shark
34Check all that apply to Family Sphyridae
1. AHammerhead Sharks
2. BGreatly depressed and laterally expanded head
3. Cmay have increased electrosensitivity
4. DTwo dorsal fins
5. Eupper lobe of caudal fin is elongate and pointed upward
6. FSawfishes
35Identify and check all that apply
1. AScalloped Hammerhead
2. BSphyrna lewini
3. Canterior margin of head with median indentation
4. DHabitat: near ocean surface
5. EViviparous
6. FDiet: fish, squid, singrays
7. GIUCN status: endangered
8. HSphyrna tiburo
9. IHabitat: Shallow inshore waters
36Identify and check all that apply
1. ABonnethead shark
2. BSphyrna tiburo
3. CSphyrna lewini
4. DHabitat: Shallow inshore waters
5. EIUCN status: least concern
6. FDiet: crustaceans, mollusks, fishes
7. GDiet: fish, squid, stingrays
8. HIUCN status: endangered
37Check all that apply to Family Pristidae
1. ATwo well developed dorsal fins
2. BSawfish
3. CStingrays
4. DBody greatly depressed
5. Esaw-like rostrum
6. Fcan swim upstream to freshwater
38Identify and check all that apply
1. ASmalltooth Sawfish
2. BPristis pectinata
3. Cmoderately depressed body
4. DReproduction: Lecithotrophic viviparous
5. EHabitat: estuaries, lower parts of rivers, shallow coastal waters
6. FIUCN status: critically endangered
7. GIUCN status: near threatened
8. HGaleocerdo cuvieri
39Check all that apply to Family Rajidae
1. ASkates
2. Bbody disc-like
3. Cwings shaped by pectoral fins & attatched to head
4. Ddorsal, anal, and caudal fins reduced
5. Epectoral fins extend forward beyond mouth
6. Fdorsal fin absent
7. GStingrays
40Identify and check all that apply
1. AClearnose Skate
2. BRaja eglanteria
3. Csides of snout translucent, no ocellar spot, etire tail thorny
4. DDiet: mollusks, crustaceans
5. EDiet: polychaetes, benthic fishes
6. FHabitat: shallow shores
7. GIUCN status: Least Concern
8. HBig Skate
9. IRaja binoculata
41Identify and check all that apply
1. ABig Skate
2. BRaja binoculata
3. Cfront of disc concave, ocellus on each side of disk
4. DDiet: polychaetes, benthic fishes
5. EHabitat: over stoft bottoms, bering sea to baja California
6. FDiet: mollusks, crustaceans
7. GIUCN status: Least Concern
8. HRaja eglanteria
9. IClearnose Skate
42Check all that apply to Family Dasyatidae
1. ASkates
2. BStingrays
3. CBody greatly depressed
4. Dtail distinct from body
5. Epectoral fins extend forward beyond mouth, dorsal fin absent
6. FWings shaped by pectoral fins and attatched to head
43Check all that apply to Family Myliobatidae
1. ARobust body with falcate pectoral fins
2. Bdisc wider than long
3. Canterior parts of pectoral fins for 1 or 2 subrostral lobes under snout
4. Danterior subdivisions of pectoral fins modified as 2 separate fins known as cephalic fins
5. Eposterior edges of pectoral fins are falcate
6. FEagle Rays
7. GMantas
44Check all that apply to Family Mobulidae
1. ALack large tooth plates
2. Banterior subdivisions of pectoral fins modifed as 2 separate fins known as cephalic fins
3. CMantas
4. DEagle Rays
5. Eposterior edges of pectoral fins are facate
6. Fanterior parts of pectoral fins form 1 or 2 subrostral lobes under snout
45Many shark species show recent and rapid declines in population size.
1. ARichtig
2. BFalsch
46Why are shark populations suceptible to rapid declines?
1. ALow fecundity
2. BReproductive migratory behavior exposes sharks to human impacts
3. CApex predators are rare
4. DShark finning
5. EHuman fear and wanton killing
6. FAll of these answers are correct
47Even healthy top predator populations can be small and probably even more vulerable to depletion. than previously expected
1. ARichtig
2. BFalsch

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Beschreibung: Der Nutzer hat seine Fachbereichs-Information gelöscht. Quiz am Chondrichthyes, erstellt von Gelöschter Nutzer am 13/10/2018.
Autor: Gelöschter Nutzer
Sprache: English
Aufrufe: 44
Verlauf: Erstellt am 13 Okt 2018 · aktualisiert am 13 Okt 2018
Schlagwörter: chondrichthyes cartilaginous fish osteichthyes actinopterygii sarcopterygii fish der nutzer hat seine fachbereichs-information gelöscht.

Chondrichthyes

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