34. Fishes a. are infrequently threatened with extinction or depletion b. that h

Question

34. Fishes a. are infrequently threatened with extinction or depletion b. that have become extinct in the USA number 61 c. constituting almost 30% ofall species are threatened with extinction include eight genera of extant Sarcopterygii that are destitute of extremities (limbs) include Dipnoi, which possess an ample maxilla f. e. include Dipnoi, whose dorsal, caudal and anal fins are coalesced into essentially a single fin 35. Dipnoi a. possess a homocercal caudal fin b. possess a heterocercal caudal fin c. possess lung (pulmon) or lungs (pulmones) d. possess branchiae e. include Neoceratodus, which possesses delicate scales (squamae) include Lepidosiren (scaly monster), which ambulates on its paired appendages 36. Dipnoi include a. Lepidosiren which possesses ponderous appendages b. the Australian lungfish, which aestivates (experiences torpor) in cuniculi (burrows) c. Neoceratodus ("new horned one), which possesses a pair of lungs (pulmones) d. Protopterus spp. (Protopter), which inhabit inundated regions until water recedes, and then excavates a cuniculus where they persist until the cuniculus desiccates e. Protopterus, which experiences the final stages of aestivation circinate (coiled) f. Lepidostren whose pelvic pterygia (fins) possess vascularized fimbriae 37. Coelacanthimorpha a. originated in the Carboniferous period b. possess a bilobate caudal fin c. include Latimerialchalumnae ['the one of the Chalumna (River) of (discovered by) Marjorie-Courtenay Latimer), which possesses cavitate rays l"hollow spine(s)? in its caudal fin d. include predaceous, nocturnal, parabenthic (near-bottom) Sarcopterygil e. possess a cephalic (capital) gland that excretes salt f possess haematic osmolality that differs grandly from that of seawater 38. Coelacanthimorpha possess a caudal fin whose central lobe is indurate (hard a. b. possess a hydrostatic organ containing adipose tissue and ossified periphery, which provides c. possess a presumably electroreceptive rostral organ consisting of three gel-filled tubes that are d. passess a rectal gland that absorbs salt buoyancy connected to the corporal surface via a series of four pores have been strictly marine f. are mesopelagic

Explanation / Answer

Answers:

34) Fishes- b and f are correct options

35) Dipnoi- a, c, d

36) Dipnoi - c

37) coelacanthimorpha- d,c

38)coelacanthimorpha- b,c,e.f

41) Osteoglossiformes- a,b,c

40)osteo glossocephalai-b

38)otomorpha- a, b

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