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I need help woth this question please
first blank option is : homoplasies. homologies.
second blank option is : a. reduce turbulence in the water. b. increase their Reynolds number
c. aid in digestion. d. contend with life in air
Step by step
Solved in 2 steps
- Branchial 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 basibranchialOrganisms with a notochord that [Choose ] extends the entire length of the body throughout its life [ Choose ] Lobe-limed vertebrates Clade of predatory dinosaurs with hollow bones and three-toed limbs Ecdysozoans Marsupials Most diverse phylum of animals in number of species and number of Scyphozoans individuals Theropods Include deep-sea chimaeras Anthozoans Lancelets Neopterans Jawless fish with cartilaginous vertebrae Lampreys Archosaurs Insects that can flex their wings over their abdomens Tunicates Arthropoda Protostomes with an external cuticle Prototherians Rotifers Only mammals that lay shelled eggs Pterygote Ray-finned fishes Include corals, sea pens, and sea Chondrichthyans anemones Hagfishes Organisms with a characteristic ciliated [ Choose ] structure called a coronaWhat feature separates the Chondrichthyans (sharks and rays) from the lobed-finned fishes? O some sharks are ovoviviparous and no lobed fin fish are O sharks have cartilagenous skeletons and lobed-finned fish have ossified skeletons O sharks have swim bladders and lobed-finned fish have air bladders O sharks have gills and lobe-finned fish have lungs
- Consider the cladogram representing most of the major classes of animals. Consider the point A in the cladogram. What characteristic(s) might be used to separate fish from the other animals following in the cladogram? hale symmetnical ancestor O Endoskeleton O Non-terrestrial O Four legs or supports O The presence of scalesList the modifications that are thought to give some cetaceans the ability to (a) increase their swimming speed, (b) dive to great depths without suffering the bends, and (c) stay submerged for long periods.by comparing and contrasting the physical features of a shark, guitar fish and the sting ray, what can you deduce about the evolutionary relationships among the elasmobranchs?
- Explain how bony fishes differ from sharks and rays in the following systems or features: skeleton, scales, buoyancy, respiration, and reproduction.Draw a bony fish showing all the parts: Operculum, Gills, Gill rakers, Gill filaments, and Pharyngeal cleftmake an 500 words of rationalization of bony fishes
- Describe the major vertebrate adaptations that arose in fishes andwere adaptive on land.Nimravids Skeleton vs Siberian Tiger Skeleton vs Smilodon Necator SkeltonCompare and contrast the appearance of specific bones in the skeleton. Compare the skeleton of the extinct creatures with the extant creature, and with themselves. How might the variation in anatomy link to the likely function? Compare species' skeletal anatomy based on life history (aquatic vs terrestrial). What are other interesting factors noted in the skeletons?Amphioxus x.s (Female Slide) Explain the functions of the amphioxus, such as the pharynx, gills, gills slits, atrium, ovary, etc. Compare the internal features of the Amphioxus to starfish, grasshopper, earthworms, and planarian.