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Showing posts from June 9, 2017

NECO FISHERY PRACTICAL ANSWERS

Fishery-PrAct-Answers 1a) A-is bagrus bajad (Bayad) B- is oreochromes niloticus (Nile Tilapia) C-is crayfish D- is clarias gariepinus fingerlings E- is tadpole 1aii Click here for no.1aii Diagram 1aiii) i)it has maxillipal that function as mouth part ii)it has carapace which protect internal organ iii)it has zalking legs. 1bi) similarities i)they both live in fresh water habitat ii)their bodies is covered with sceals iii)they have latel lins iv)their body is segmented into three(head) differences specimenA – the mouth is flat – the body is fleshy – it has no operculum specimenB – it has round mouth – it is borny – it has operculum . 1bii – they are affected by the same fish parasite ( protozoa) – they both have zills ================================ 2aiii) F-it is used for digging holes during pond preparation G-it is used for evacuation of sand I- it is used for making station J- it is also used for measuring land volumity 2bi) i)keep it a