Using the figure below for the areas labeled "1" give the name of the axis Yaw and what it controls for the fish Right Left areas labeled "2", give the name of the axis Pitch Up Down and what it controls for the fish the name of the axis Roll ↓ . For the and for the areas labeled 3 give controls for the fish Clockwise Anticlock 21 and what it
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- in observing ornamental fish swimming, identify the functions (propulsion, maintenance of upright orientation, braking, balance, or turning) of the different fins of a bony fish during swimming. functions dorsal fin caudal fin anal fin pelvic fin pectoral finBranchial arches of the shark support the gill pouches and each one consists of five cartilagous element. Arrange the elements belowfrom dorsal to ventral: hypobrancial, ceratobranchial, epibranchial, pharyngobranchial and basibranchialSharks maintain a neutral buoyancy by means of: placoid scales swim bladders caudal fin flapping squalene fat V being isotonic
- calculate aspect rather ratio if the caudal fins use formula AR = h2 / SA of the FinnStarfish Aboral Side Describe the functions of the observed structures and compare the morphology of the starfish to spiders, clams, and grasshoppers. When looking at a starfish is the anus visable? Lastly, is the starfish radial or bilaterally symmetrical?Gill slits First dorsal fin ܐܐܐܐ Pectoral fin 3a. Six gill slits 3b. Five gill slits Dorsal surface 4a. One dorsal fin 4b. Two dorsal fins Anatomy of a shark. Use these terms to help you work through the key below. Key la. Body, as seen from the top, shaped like a kite 1b. Body, as seen from the top, not shaped like a kite 2a. Pelvic fin absent 2b. Pelvic fin present Second dorsal fin Pelvic fin 5a. Mouth located at front of snout 5b. Mouth located on underside of head 8a. First dorsal fin extremely long 8b. First dorsal fin regular length 9a. Caudal fin extremely long 9b. Caudal fin regular length Anal fin 6a. Head expanded, with eyes located at end of expansion 6b. Head not expanded 7a. Top half of caudal fin same as bottom half 7b. Top half of caudal fin different than bottom half go to 12 go to 2 Pristiophoridae go to 3 Hexanchidae go to 4 Scyliorhinidae go to 5 -Caudal fin Rhincodontidae go to 6 Sphrynidea go to 7 Isuridae go to 8 Pseuodotriakidae go to 9 Alopiidae go to 10
- Describe how a snake moves by lateral undulation. Why might this form of locomotion be inefficient on an unstable surface (such as sand) or a surface lacking irregularities? What forms of locomotion would work for a snake under these conditions?ID this fish:How are tripod fish and anglerfish similar? They both rest on the tips of their two pelvic fins and elaborate their tall fins, They both have long filaments that grow from the top of their heads. They both are highly stationary and lle in wait for their prey to come to them. They both have bloluminescent escas that emit light in the complete absence of sunlight.
- Please answer number 4 for: "Pacific Cownose Ray"Although some sharks close their eyes just before they bite,their bites are on target. Researchers have noted that sharksoften misdirect their bites at metal objects and that they canfind batteries buried under sand. This evidence suggests thatsharks keep track of their prey during the split second beforethey bite in the same way that(A) a rattlesnake finds a mouse in its burrow.(B) an insect avoids being stepped on.(C) a star-nosed mole locates its prey in tunnels.(D) a platypus locates its prey in a muddy river.The swim bladder provides buoyancy in the ray-finned fish CepyrighteThe MeGreHe Comparies, Ine. Pemion red tor repduction or dpy Dorsal aorta To heart Gas gland Swim bladder Oval body Hagfishes Jawless fishes Gill cover Vertebrae Lampreys (operculum) Gills Chondrichthyans Ray-finned fishes Jaws, teeth, paired fips Bony skeleton, swim bladder/lung Coelacanths Lobe limbs Lungfishes Lobe-limbed vertebrates Internal nares- (nasal openings into the mouth) Amphibians Terrestrial limbs and digits Amniotes Amniote egg LIFE: THE SCIENCE OF BIOLOGY 12e, Fiqure 31.10