Thiết kế bài giảng sinh học 11 nâng cao (tập 2) phần 1

THIET KE BAIGIANG mni TRAN KHANH PHJONG /V^ >N^ THIET KE BAI GIANG SINK HOC 11 NANGCAO TAPHAI X NHA XUAT BAN HA NOI Chtrotog II CAM tTNG (Tiep theo) B - CAM LfNG DONG VAT Bai 26 CAM LfNG O DONG VAT I MUCTIEU Kien thOrc - HS neu diroc dinh nghia ve cam ufng - Phan biet duoc cam ling a dong vat vdi cam ling a thirc vat - Trinh bay dircyc su tien hoa ciia to chiic than kinh a cac nhom dong vat khac KTnang - Phan tich, so sanh, khai quat - Van dung kien thiic, hen he thuc ti6n - Hoat dong nhom, boat dong ca nhan II THIET B! DAY - HOC - Tranh hinh SGK - Tranh hinh bai 23, 24 - Chau cay hoa trinh nU - chau cay tiong hop giay c6 16 thiing Phieu hoc tap so SO SANH CAM LfNG DONG VAT VA THJC VAT Noi dung Vidu Hinh thiTc Bieii hien Cam umg d thtrc vat Cam urng d dong vat Phieu hoc tap so T I M HIEU CAIVI Q N G d CAC NHOM BONG VAT ^ \ ^ Dong vat c6 to chiirc than l CO CO Do la co, che ph^m than kinh co kha nang phan nghia la CO tinh cam ling chii Ket luan: Cam ling la khong phai la phan xa dac tinh chung cua moi to - HS khai quat kien thiic chiic song Hoat dong C A M UNG CAC NHOM DONG VAT KHAC NHAU Muc tieu: - HS chi dugc su tien hoa cua to chiic than kinh d cac nhom dong vat - Phan biet cam ling cac nhom dong vat Hoat dong cua GV - GV yeu cau HS: + Quan sat tranh hinh 26.1 SGK trang 102 + Tra led cau hoi: Trinh bay su tien hoa ciia to chiic than kinh cac nhom dong vat Hoqt dong cua HS Noi dung Tim hieu to chiic than liinh o cac nhom dong + Ca nhan quan sat tranh phan tich, van dung kien vat thirc sinh hgc lop 7, nhan biet cac dang he than kinh - HS hoat dong nhom + Thao luan nhom thong nha't y kien - Yeu cau neu dugc: + Nhom dong vat chua co to chiic than kinh + Nhom dong vat co to chiic than kinh tit dcfn gian den phiic tap - Dai dien nhom trinh bay, Icfp nhan xet va bo sung - GV nhan xet, danh gia va yeu cau HS khai quat kien thiic Ket luan: - Nhom dong vat don bao: khong co he than kinh - Nhom dong vat da bao: He than kinh cau tao tCr don gian den phiic tap: Than kinh dang ludi -> Than kinh chu6i hach -^ Than kinh dang ong (Gom than kinh trung uong va ngoai bien) - GV neu yeu cau: Tim hieu cam ufng a cac nhom dong vat + Quan sat tranh hinh SGK va tranh cung phan xa + Hoan cac noi dung phieu hgc tap so 2:'' Tim hieu cam ling cac nhom dong vat" - HS hoat dong nhom: + Ca nhan quan sat tranh hinh ket hgp v6i viec nghien ciiu SGK trang 103 muc va + Trao doi ve cac noi dung phieu hgc tap -^ thong nha't y kien -^ ghi phieu + Neu VI du phan tich - GV chieu mot vai phieu + Dai dien nhom trinh bay tren may chieu -^ hgc tap de lofp quan sat Lcfp nhan xet, bo sung - GV nhan xet, danh gia va thong bao dap an - Cac nhom theo doi va siia chiia diing DAP AN PHIEU HOC TAP SO Dong vat chi/a co to chufc than kinh Dong vat co he than kinh dang ludi Dong vat co he than kinh dang chuoi hach Oai dien Dong vat nguyen sinh: Trung roi, trung amip, trung de giay - T h u y tuTc - Giun dot, chan khdp Cau tao he than kinh Khong c6 - Cac te bao than kinh va cac te bao cam glac phan bo khap be mat cd the va lien ket vdi - Cac te bao than kinh tap trung chuoi hach than kinh - Te bao than kinh c6 cac nhanh lien he vdi te bao bieu mo cd, te bao gai - Co su phan hoa thanh: Hach ngUc, hach bung, hach nao (hach nao phat trien d than mem va chan khdp) - Moi hach than kinh la trung tam dieu khien hoat dong cua mot vung xac dinh Hoat dong cam Lfng - Khi CO kich thich tCf mot phan nao cua cd the thi chat nguyen sinh co rut nhd cac vi sdi goi la hudng dong - Con vat phan Lfng bang each chuyen dong tdi kich thich CO Idi va tranh xa kich thich c6 hai (hu6ng dong dUdng va hudng dong am) DSc diem - Phan cham Lfng ddn gian, - Te bao cam giac bj kfch thich chuyen xung than kinh truyen qua mang ludi than kinh den cac te bao lam cd the co lai de tranh kich thich hoac phong te bao gai vao moi - Khi CO kich thich vao mot phan nao cija cd the kich thich dUdc truyen ve hach nao hoSc hach tUdng Lfng - Phan Lfng nhanh, kip thdi nhUng chUa chinh xac - Phan Lfng c6 tfnh dinh khu nhUng chUa hoan toan chinh xac - Kich thich d mot diem nao cua cd the cung gay phan Lfng toan than - Phan Lfng tieu ton nhieu nSng iLfdng - Hach phan tich kich thich va dieu khien hoat dong d phan bi kich thich de phan Lfng (phan Lfng dinh khu) - Kich thich ci mot phan cd the, hach d phan dieu khien hoat dong - Tieu ton it nang lUdng hdn - GV nhan xet, danh gia - Cac nhdm theo ddi tu Ket luan: va thdng bao dap an siia chira Cd hinh thiic hgc tap d dung ddng vat (Dap an phie'u hgc tap) ^ \ N i dung Dac diem Y nghTa Vidu - La hinh thiTc hoc tap ddn gian - Giiip dong vat phan Ung linh hoat vdi moi trudng - Ga vpi chay di an na'p thay bdng den cCia dieu hau ap de'n Hinh t h i J c \ ^ - Quen nhdn - Kich thich lap lai nhieu lan khong gay nguy hiem thi dong vat khong cd phan Lfng - Neu bong den khac lap lai nhieu lan va khong gay nguy hiem thi lan sau tha'y bdng den ga khong chay trdn niJa - Kich thich trd quen nhdn - In vet - Dieu kien hoa - Con non mdi ddi co tinh bam va di theo cac vat chuyen dong ma chung nhin tha'y lan dau - Giup non tim dUdc ngudn thUc an va su bao ve - Sau mdi nd ga bam theo ga me - Dieu kien hoa dap Lfng: La sU lien kei kich thich tac dong ddng thdi - Giup dong vat hoc dUdc bai hoc kinh nghiem ddi sdng - Bat den cho chd an sau nhieu lan phoi hdp bat den va thiTc an sau mot thdi gian chi can bat den cho tiei nude bot Dieu kien hoa thao tac: La hinh thifc t h i i - sai - Dan ngong di theo ngUdi ma chung nhin tha'y lan dau tien mdi nd - Tha chuot ddi vao chudng co can dap gan vdi hop thCrc an - Chuot chay v6 tinh dap chan vao can dap, thtrc an rdi (lap lai nhieu lan) - Khi ddi chuot chu dong nhan vao can dap de lay thLfc an 57 - Hoc ngam - Hoc khon - Hoc khong chCi dinh (khong cd y thifc) khong biei ro la minh da hoc dUdc - Tha chuot vao mot khu vuc cd nhieu idi di no se chay tham dd dUdng - Trong ddi sdng c6 nhu- cau thi kien thifc da hoc tai hien lai giup dong vat giai quyei van de d6 dang - Giup dong vat mau chong tim dUdc thifc an, tranh dUdc su de doa cua ke thij - Neu ngUdi cho thifc an vao khu vUc dd thi chuot se tim de'n thifc an nhanh hdn nhCfng chuot chua di tham dd dudng - Hoc cd chu dinh, cd chu y - Giup dong vat thich nghi cao vdi moi trudng sdng - Tinh tinh biet xep cac thung go chdng len de lay thurc an d tren cao - Phoi hdp dUdc cac kinh nghiem da cd trudc de tim each giai quyet nhUng tinh hudng mdi - GV neu cau hdi thao - HS thao luan van dung luan: kie'n thiic d phieu hgc tap tra Idi: + Con meo dang ddi nd + Con meo chay xudng nghe tha'y tie'ng bay bat be'p vi he than kinh diia lach each nd vdi chay cia nd da hinh mdi xudng be'p Day la hinh lien ket giiia tieng lach thiic hgc tap nao? each cua bat dIa vdi thiic an Dd la hinh thiic hgc tap: Didu kien hoa dap ling + GV dua bai tap mdi + HS da van dung kie'n yeu cau HS giai HS dua thiic cu cd lien quan de'n vao kie'n thiic da cd ma bai de giai dugc bai tap giai dugc bai tap Day la mdi Dd la hinh thiic hgc hinh thuc hgc tap nao? khdn + Mdt chd dang nam, + Con chd khdng bat neu dat chie'e gay ben canh nd se bat diing day, diing day vi hanh ddng nhieu lan nhu vay nd se kfch thfch khdng kem khdng dung day nira Dd theo nguy hiem Day la la vi du vd hinh thiic hgc hinh thu:c hgc tap: quen nhdn tap nao? 58 - GV yeu cau HS la'y them vi du minh hoa cho cac hinh thiic hgc tap d dfing vat - HS neu vf du: + Go keng cho ca an + Ghi am tie'ng meo keu de dudi chugt + Khi, ca beo lam xie'c de cd dugc thiic an Hoqt dong TIM HIEU MOT SO TAP TINH PHO BIEN d D O N G VAT Muc tieu: - HS neu dugc dac diem cua mdt so tap tfnh cua dgng vat - HS la'y dugc vf du vd tap tfnh, nhan biei dugc tap tfnh qua hinh anh Hoqt dgng cua GV Hoqt dgng cua HS Noi dung - GV neu yeu cau: + Quan sat tranh hinh ve tap tinh d ddng vat + Xem dIa hinh ve mdt sd tap tinh ciia ddng vat + Nghien cun SGK trang 119-120 + Hoan cac ndi dung cia phie'u hgc tap so "Mot sd dang tap tfnh d dong vat" - HS hoat ddng nhdm: + Ca nhan thu nhan kien thiie tCr viec quan sat tranh hinh va thdng tin SGK + Trao ddi nhdm thd'ng nhat y kie'n ghi phie'u hgc tap - GV chiia bai bang each - Dai dien cac nhdm chie'u phie'u hgc tap ciia trinh bay tren may -> ldp mot vai nhdm -> ldp theo thao luan doi - Cac tap tinh phd bien d - GV nhan xet, danh gia - Cac nhdm tu siia chira ddng vat: Kiem an, san va thdng bao dap an mdi, sinh san ddng 59 ^ ^ ^ ^ ^ N o i dung Dac diem VI du Dang tap t i n h ^ ^ ^ a) Kiem an - sSn mdi - La tap tinh hoc dUdc, hinh qua trinh sdng, hoc tap d bd me, ddng loai hoac trai nghiem ban than - Ga md thurc an luc dau chua chinh xac, sau dd c6 chon loc va chinh xae hdn - san mdi: - IVleo thudng rinh va vd mdi + Mui cua mdi kich thich dong vat an thit rinh mdi, vd mdi hoac rUdt dudi theo mdi de tan cdng - Chd thudng rUdt dudi theo mdi + Con mdi phat hien ke thu - » l a n trdn, bo chay, tuve b) Sinh san - Bam sinh mang tinh ban nang - Tap tinh sinh san bao gdm nhieu pha hoat dong ke tiep dUdi dang chudi phan xa c) Bao ve lanh thd vung d) Tap tinh xa hoi - Ech due ed tui keu d them mieng d i n du cai + Kich thich d mdi trudng ngoai tac dong vao cac giac quan, hay moi trUdng ben (nhu hooemdn sinh due) gay chin sinh due, ehuan bi cho susinh san - Thach stjng khoe me va cat tieng k,eu goi cai - Chiem giijr va bao ve lanh thd de chdng lai eac ca the khac ciing loai, bao ve ngudn thifc an va ndi d - Chd sdi danh dau lanh thd bang nude tieu - Chuan bj thUe an cho non trudc de d ong bap cay - Bao ve lanh thd la cd hoi lua chpn cai mua sinh san bao ve ndi gidng - HUdu due tiei chai rdi quet vao canh cay danh dau de tim ddng loai va giijf lanh thd - La tap tinh sdng bay dan, gdm mot sd loai - Ong, kien, mdi, vol, sdn dUdng sdng bay dan Idn + Tap tinh thir bac: Phan cong eon dau dan to, khoe, lanh Idi lam nhiem vu bao ve dan va dUde ifu tien ve thifc an, sinh san - Con vol, dau dan c6 v| tri quan + Tap tinh hdp tac: Hd trd kiem an, sSn mdi, chdng lai ke thij e) Tap tinh di cU - Cdng difc xoe long khoe me de quyen ru cai - La tap tinh phife tap the hien d mot sd loai - Ong thd lam nhiem vu lao dong va bao ve ong chua - Kie'n linh lam nhiem vu bao ve td va kie'n chua - Chim en di c u ve phUdng nam de tranh ret + Di eu theo mija, dinh ki hang nam de tranh ret va kie'm an - Dong vat di chuyen quang dUdng dai mot chieu hay hai chieu - Dong vat di cu dUa vao vi tri cija mat trdi, trang, hay tif trUdng trai dai, hudng cua dong nude chay 60 - Nhan bien di cu tU cifc bac xudng cUe nam - Ca hdi di cu tU bien vao song - De ciing cd kie'n thiic GV td chiic trd choi nhu sau: + Mdi nhdm cii dai dien tham gia va cd nhdm ciing choi + nhdm se dgc ten loai tap tinh, cac nhdm khac chon tranh anh tuong ung va gan vao ndi dung d phie'u hgc tap tren bang + Sau phiit GV cit HS kiem tra kei qua cua cac nhom - GV nhan xet, danh gia - Ldp cung theo ddi de va cho diem nhdm ed ket nhan xet va tu kiem tra qua tot kien thiic - GV yeu cau HS: Tim - HS trao ddi van dung them vi du ve tap tfnh hieu biei thuc te de tra khac d dgng vat Idi + Tap tfnh vCii trung vao cat de a'p trung d da dieu + Tap tfnh de triing tren can ciia rCia bien + Tap tinh san mdi theo Ket luan: HS dgc kei luan SGK trang 122 bay dan d chd sdi IV KIEM TRA DANH GIA - HS tdm tat kie'n thiic ciia bai hgc - HS lam bai trdc nghiem Hau hei cac tap tfnh cua ddng vat bac thap la: a) Tap tfnh bam sinh c) Tap tinh hdn hgp b) Tap tfnh thii sinh d) Tap tinh thii sinh, tap tinh hdn hgp O ddng vat bac cao cac tap tinh nao sau day dugc hinh cang nhidu a) Tap tinh bam sinh c) Tap tinh hdn hgp b) Tap tinh thii sinh d) Tap tinh him sinh, tap tinh hdn hgp 61 Mdt dang dung canh cay nhd da tudt la, luon canh cay vao td m6i de bat mdi an Hanh dgng la: a) Tap tinh bam sinh c) Tap tfnh hdn hgp b) Tap tfnh ban nang d) Tap linh thii sinh V DAN DO - Hgc bai tra Idi cau hdi SGK - Tim hidu vd tap tinh va ling dung ciia tap tfnh san xuai va chan nudi Bai 32 TAP TINH (tiep theo) I MUCTIEU Kien thufc - HS neu dugc mdt so tap tfnh d ngudi - Tim dugc mot so vi du vd viec ngudi sir dung mdt sd tap tfnh ciia dgng vat bao ve n6ng nghiep, ddi sdng (bien phap dau tranh sinh hgc) - HS neu dugc vi du vd viec xay dung mdt so tap tinh cho ddng vat qua hua'n luyen, bang dudng lap eac phan xa cd didu kien KTnang - Phan tich so sanh, tdng hgp - Khai quat hoa II THIET B! DAY - HOC - Siru tam tranh anh, tu lieu ve tap tfnh d ngudi - Bang dIa vd viec huan luyen thii lam xie'c - Bang dIa vd cac bien phap dau tranh sinh hgc bao ve cay san xuat ndng nghiep III HOAT DONG DAY - HOC Kiem tra - Phan tich tap tfnh sinh san d ddng vat va cho vi du minh hoa - Y nghia cua tap tinh bao ve lanh thd - Nguyen nhan dan de'n tap tinh di cu cua mdt so loai chim 62 Trong tam Kha nang thay ddi tap tfnh d ddng vat qua thuan hoa va ren luyen Bai mdi Mo bai: GV yeu cau HS neu mot sd tap tfnh d ngudi de din dat vao bai Hoqt dgng TIM HIEU TAP TINH NGUCil Muc tieu: - HS neu dugc mot sd tap tfnh d ngudi - Chi dugc tap tinh d ngudi khac ban ddng vat ngudi ed van boa Hoqt dgng cua HS Hoqt dgng cua GV Noi dung - GV neu cau hdi: - HS van dung kien thiic + ngudi cd nhiing tap sinh hgc idp 7,8 va hidu biei tir thuc te rdi thao tinh nao? luan nhdm de tra Idi + Tap tinh d ngudi khac tap tinh d ddng vat nhu + O ngudi ciing cd loai " -'•-;-!' taptinh the' nao? + Cho vi du vd tap tinh d + Tap tfnh d ngudi dd la nhCfng thdi quen tot, the ngudi hien xa hoi van minh I \ + Tap tinh d ngudi: Tap the due budi sang, chap hanh luat giao thdng -"Dai dien nhdm trinh - GV nhan xet danh gift' bay -^ ldp nhan xet bd va yeu cau HS khai quat ' s U n g •'' • '''• • '•''''-"'' '"' kie'n thiic k ih ' Ke't luan: ;., i., , ;- ; - ngudi cd hai loai tap tinh.^.,,;, ;,.,ijj^., ^ * Tap tinh bam sinh: an udng, sinh san 'r"'- JtlS phan tich mot sd vi * Tap tinh hgc dugc: Thdng qua hgc tap va ren du;: luyen da xay dung dugc -_- - _ - — 63 + Tap cho tre em an ngii tap tinh mdi, thdi quen ddng gid, ve sinh diing tdi, kha nang kiem che, khdng the hien tap tinh gid + Tao cho tre em thdi bam sinh khdng phii hgp quen bd rac vao thung theo qui dinh + xay dung nhiing tap quan tdi: Chap hanh luat phap, tim hieu su viec, kiem che, binh tinh trudc khd khan + Ren luyen y thiic, thdi quen hgc tap - GV nhan xet va khang dinh: Con ngudi ed y thii'c, xay dung xa hdi van minh nen dan dan tir bd thdi quen xau mang tfnh ban nang + Loai bd mdt so tap tfnh xau d ngudi : Miit tay, can mdng tay d tre em, hiit thud'c noi cdng cdng, ve sinh, viit rac bira bai Hoqt dgng UNG DUNG TAP TINH TRONG C H A N N U O I VA TRONG NONG NGHIEP Muc tieu: - HS biei va trinh bay dugc nhiing ling dung tap tfnh ciia ddng vat chan nudi - Neu duoc vf du cu the Hoqt dgng cua GV Hoqt dgng cua HS - GV cho HS xem bang - HS xem phirti, thao hinh vd viec hua'n luyen luan rdi rut nhan xet chd nghiep vu, mdt doan 64 Noi dung phim vd chii chd Rex, chd + Huan luyen chd vao nhiing c6ng viec giiip chan ciiu ngudi la dua tren co sd - GV yeu clu: Sau xem xong riit nhan xet tap tfnh hgc dugc ve kei qua ciia viec sir + Con ngudi da thuan dung tap tinh d ddng vat dudng chd tir loai hoang dai vat nudi gia dinh - GV yeu cau: - HS trao ddi va cd the Trinh bay hieu biei, tu neu y kie'n lieu suu tim vd irng dung tap tinh dgng vat + Hua'n luyen ga len xudng chudng diing gid ddi sdng + Tap cho chd meo an diing bat va di ve sinh diing chd + Luyen cho ca canh an diing gid + Day vet biet ndi - GV yeu cau HS + Huan luyen thii dii lam xie'c theo yeu cau cua ngudi + Dgc thong tin SGK - Ca nhan nghien ciiu trang 123 SGK va kei tigp vdi kie'n + Trinh bay ling dung vd thiic suu tam dugc tCr sach tap tinh dgng vat bao de tra Idi san xuat nong nghiep + Sir dung sau bg tieu diet sau bg cd hai f + Han che sinh san d cai ddi vdi loai sau hai cay trdng - GV yeu cau HS khai - Dai dien HS trinh bay, ldp cung thao luan quat kie'n thiic - Chgn Igc, thuan dudng nhidu loai ddng vat hoang 65 da vat nudi gia dinh - Sit dung tap tinh san mdi ciia mot sd dgng vat de huan luyen chd san, chd nghiep vu - Gay nudi mot sd sau bo de tieu diet cdn trung gSy hai (thien dich) - Tao ca the due bat thu de tieu diet quan the sau bg gay hai han che' nhidm mdi trudng - GV luu y ddi vdi HS d cac vung ndng thdn thi cd the yeu cau HS trinh bay qui trinh nudi thien dich va sir dung thien dich rdi ket qua thu dugc Hoqt dgng THAY DOI TAP TINH CUA DONG VAT TRONG LUYEN THU Muc tieu: HS chi dugc kha nang thay ddi tap tinh d ddng vat qua thuan hoa va ren luyen Hoqt dgng cua GV Hoqt dgng cua HS - HS van dung tu lieu suu + Trinh bay qua trinh tam dugc trao ddi nhdm huan luyen su tii, hd, voi thdng nhat y kie'n + Vdi thii dii cdn non tap rap xie'c + Co sd cua viec nudi luyen theo chucng trinh dudng hua'n luyen, thay rieng de giam bdt ban ddi tap tfnh ciia dgng vat nang dir - GV yeu cau: la gi? 66 + Thu dugc gin gQi vdi ngudi tii nhd de quen vdi cac chuong trinh huln luyen Noi dung + Thanh lap phan xa cd dieu kien + Cham sde du che' dinh duong - Dai dien HS trinh bay -> Ldp trao ddi bd sung - Thay ddi tap tfnh dii cua mdt sd loai thii an thit - GV nhan xet danh gia va giiip HS hoan thien kien thiic - Thuan phuc thii dii, phuc vu nhu clu ddi sdng ciia ngudi - Bie'n ddi tap tfnh bim sinh tap tfnh hgc dugc d thii non bang each lap phan xa cd didu + Dua vao tap tinh kie'm kien (Didu kien hoa dap an ciia de huan luyen ling chuong trinh cia thu hoach ngd hay lay ngudi huan luyen) diia cho ngudi - HS cd the neu them vf du vd thay ddi tap tfnh, bie'n ddi tap tinh d ddng vat IV KIEM TRA DANH GIA - GV yeu cau HS tdm tat kien thiic cua bai hgc - GV cho HS tra Idi cau hdi trac nghiem Tap tinh d ngudi khac tap tfnh d ddng vat la: a) O ngudi mdi xay dung dugc nhiing tap tfnh mdi, d ddng vat khdng xay dung dugc b) C) ngudi chi cd tap tfnh thii sinh, ddng vat cd tap tfnh bIm sinh, thii sinh, hdn hgp c) O ngudi chi ed tap tfnh hdn hgp, d ddng vat cd tap tfnh bam sinh, thii sinh, hdn hgp d) Ngudi cd he thd'ng thin kinh phat trien, d ddng vat cd he thdng thin kinh chua phat trien Con ngudi sii dung tap tinh nao sau day cia ong mat dd de tieu diet sau hai cay trdng? 67 a) Tap tfnh sinh san b) Tap tfnh san mdi c) Tap tinh bao ve viing lanh thd d) Tap tinh di cu Con ngudi sii dung tap tfnh nao sau day ciia chd, meo dd bat chiing trdng coi nha ciia, gia siic, bat chudt? &' a) Tap tinh sinh san b) Tap tinh san mdi an thit c) Tap tfnh bao ve viing lanh thd d) Tap tfnh di cu V DAN DO - Hgc bai tra Idi cau hdi SGK - Suu tim tranh anh, dla vd tap tinh cua ddng vat Bai 33 THL/C HANH: XEM PHIM VE MOT SO TAP TINH DONG VAT I MUCTIEU Kie'n thurc - HS Cling cd, khlc sau hieu biet vd cac tap tfnh da nghien ciiu d bai hgc 30, 31 - Phan tich dugc dac diem ciia mdt sd tap tinh nhu: san mdi, sinh san bao ve lanh thd KT nang - Ren kl nang quan sat phan tieh - KI nang nhan biei, lien he van dung If thuyet vao thuc tidn - Biei giai thich co sd khoa hgc ciia cac bieu hien tap tinh II CHUAN BI Phim vd mdt so loai ddng vat III TIEN HANH Kiem tra GV kiem tra mdt so kien thiic ve tap tfnh ciia ddng vat Trong tam HS phan tich dugc mdt so tap tfnh lien quan de'n ddi song ciia ddng vat 68 Bai mdi - Trudc gid thuc hanh GV chia nhdm HS (tir - 8) - GV neu yeu cau ciia bai thuc hanh dd la: xem phim, phan tich dugc tap tinh san mdi, sinh san, dau tranh gianh cai Hoqt dgng XEM PHIM VE TAP TINH D O N G VAT Muc tieu: HS xem phim nhan biei dugc mdt sd tap tfnh cua ddng vat - GV yeu cau HS: + Ngdi theo nhdm + Xem phim vd tap tfnh ddng vat + Chii y cac ndi dung da cho trudc de nhan biei tap tfnh - GV gidi thieu phim, nhan manh hay - Cac nhdm theo ddi bang hinh dCmg lai d nhiing doan can thiet dd phan + Ca nhan nhan biet dugc tap tinh tich mot s6 tap tfnh + Thu kf ghi chep y kien ciia nhdm - GV cd the cho HS xem - lan toan + Trao ddi vd hoat ddng tap tinh d bo doan phim nhirng doan phim khd - GV quan sat, bao quat ldp nhlc nhd + So sanh tap tfnh d nhidu loai ddng vat va giiip dd HS phan tich cac boat ddng khac tap tfnh Hoqt dgng THAO LUAN VE TAP TINH DONG VAT Muc tieu: - HS phan tich dugc tap tinh d ddng vat - Minh boa bang cac vf du - GV yeu clu HS: Phan tfch tap tfnh san mdi cua ddng vat - GV ggi y HS phan tich: + Cach rinh mdi va vd mdi + Cach rugt dudi va tan cdng mdi + Cach xu li mdi sau vd dugc - Cac nhdm thao luan tren co sd nhiing ghi chep xem phim - Thd'ng nhai y kien 69 - Yeu clu neu dugc cac ndi dung • San mdi d sdi xam Khi san dudi bd riTng, sdi rugt dudi mot each kien tri, vay quanh mdi, vura dudi vCra siia Im vang khu riing Con dudi dang sau, chay ben sudn, diu dan vugt len phia trudc lam cho bo vira met vira hoang sg Khi bd met qua thd dd'c, mdm the ludi ra, lap tire phia trudc cln vao ludi, phfa sau cln vao khuyu chan lam bd nga vat rdi ca dan xdng vao cln xe, moi ruot gan va an thit eon mdi • Bat mdi d te te: Te te pha vd td ong rdi chui ban vao td Tai dd te te giuong vly len de cho ong chui vao bam dot dly minh, sau dd nd cup vay xudng rdi bd xa Liic dd te te nang vay len giu ong chet xudng dat rdi nhat an din - GV yeu cau: Trinh bay bieu hien ciia - HS thao luan thdng nhlt y kien va neu tap tinh sinh san dugc: - GV ggi y: + Bie'n ddi mua sinh san + Ddng tac khoe me, ve van • Ca cdc Tam Dao cd da bung mau da + Ap trung, cham sde non cam dd hon cai + Lam td chuan bi de • Ech due cd tiii keu Idn thdng vdi xoang mieng va cd tie dung ggi cai • CIc loai cdng, ga tay thudng cong va xoe bd long dudi miia trudc mat mai + Cham sde triing: • Ca cudng cai bd len va de triing tren cay thuy sinh • Con due dap nude cho trung de triing khdng bi khd va ung thdi 70 • Ech Trun de trung chilm rdi me cud'n chat lay de bao ve • Than lan canh gifl triing, sip xep lai trung va thinh thoang me phoi nlng la'y them nhiet truyen cho triing • Ga me kie'm mdi nudi ga con, xoe long canh che nlng, ap ti, giau trudc nguy hiem - GV yeu clu HS: Phan tfch tap tfnh - HS dua vao quan sat bieu hien cua bao ve lanh thd d cac loai ddng vat va mot so loai de cd the neu dugc: tap tinh biy dan + Loai nai cd tuye'n nude mlt tiet chat nhdn cd mui thom de nhan biet ddng loai Nai eg chit nhdn vao canh cay, la, vach da de tim lai dan + Cdng bien: Den mua sinh san due khua chie'e cdng dd chdi di vdng quanh khu vuc chiem giii cua minh + Chim di trii thudng tap hgp dan giup cho chiing vugt qua dugc nhirng quang dudng dai va sdng thuan Igi d noi xa mdi la - GV nhan xet, danh gia phin trinh bay - HS dua nhan xet: ciia cac nhdm + Mdi loai dgng vat cd tap tinh dac - GV yeu clu HS nhan xet chung ve tap trung tfnh d ddng vat + Cung tap tfnh nhung bieu hien d cac loai khac + Cac tap tfnh nang cao kha nang tdn tai va sdng cdn ciia vat IV KIEM TRA DANH GIA - GV nhan xet gid hgc - GV khen nhdm hoat ddng tot va nhlc nhd nhdm boat ddng chua tfch cue (ne'u ed) V DAN DO - Hoan bao cao - Suu tim tap tfnh cua ddng vat 71 [...]... phat sinh la do su chenh lech ciia dien the giiia vung boat dong va vung yen tinh - VCing da hung phan mang dien tich am, cdn vung yen tinh mang dien tich duong 26 2 Co che xuat hien dien the boat dong - GV yeu cau HS: + Quan sat hinh 28.3 va dgc thdng tin SGK muc 11 . 1 trang 11 0 + Chii thich vao do thj 28.3 cac giai doan phan cue, dao cue, tai phan - HS phan tich van dung cue kien thiic d boat dong 1. .. chura dung dich sinh li va thdng vdi nhau Khi kich thich day than kinh phe' vi ciia tim 1 thi tim 1 dap cham va ye'u sau dd tim 2 cung dap cham va ye'u Ne'u kich thich day than kinh giao cam ciia tim 1 thi ca tim I va tim 2 cung dap nhanh va manh Dd la do dau day than kinh phe' vi va giao cam ciia tim 1 34 da tiei ra 2 chat mdi gidi hoa hgc khac nhau dugc lan toa trong dung dich sinh 11 de'n kich thich... boat dong dgc lap II THIET B! DAY - HOC - Tranh hinh SGKphdng to -Hinh 28.2, 29 .1 trang 11 5 , 11 7 SGK co ban Thong tin bd sung: * Dien the nghi ngai: Dien the nghi ngoi (dien the mang) dugc phat hien d cac te bao than kinh khdng bi ton thuong va khdng hung pha'n dugc ggi la dien noron Muon do dugc dien the nghi ngoi cua 1 noron can phai giai quye't nhiing van de ki thuat sau: + Phai tim dugc nhung noron... lech dien the giira 2 ben mang te bao Vay do dau cd dugc su chenh lech dien the, se tim hieu co che hinh thanh dien the nghi - GV cho HS quan sat tranh hinh 28.2, 28.3 trang 11 5 SGK co ban hinh 28.2 trang 10 9 SGK sinh hgc nang cao 2 Co che hinh thanh dien the nghi - GV neu yeu cau Quan sat va trinh bay co che hinh thanh dien the nghi - GV ggi y: HS hoat dong nhdm + Chi ra su chenh lech + Ca nhan nhan... niem -GVtfeo tranh hinh 28 .1 SGK phdng to - GV neu yeu cau: + Quan sat tranh hinh + Trinh bay each do dien the nghi tren te bao than kinh ciia muc 6'ng 21 - HS boat dong nhdm + Ca nhan quan sat tranh nhan biet mat ngoai va mat trong cua sgi than kinh + Trao ddi nhdm thd'ng nhai y kien - Yeu cau neu dugc each do dien the nghi + Dung dien ke cd 2 dien cue (1 va 2) + Dien cue 1 dat sat mang ngoai cua te... than kinh van dong va he than kinh sinh duong - Trinh bay dugc "phan xa la thugc tinh co ban ciia mgi co the co he than kinh'' 11 2 Ky nang - Quan sat phan tich so sanh - He thong hoa, khai quat hoa kien thirc - Van dung kien thirc II THIET Bj D A Y - H O C - Tranh hinh 26 .1, 27 .1 SGK phong to * Thong tin ve su tien hoa ciia dong vat co xuong song - Ve phuong thirc cau tao, he than kinh cua dong vat co... kinh van dong va he than kinh sinh dudng" Noi dung Cau tao He than kinh van dong He than kinh sinh du6ng - Trung Udng: V6 nao va chat xam - Gom than kinh giao cam va doi giao (sCfng trudc) ctja tuy song cam - Day than kinh van dong - Trung Udng: Tru nao, doan cCing cua tuy song, cac nhan xam d sCfng ben tuy song (tu dot tuy ngUc 1 den dot tuy that lifng III) - Day than kinh sinh dudng, hach than kinh... THAN KINH SINH DLTQNG" No! dung He than kinh van dong He than kinh sinh dudng Cau tao Chufc nang III HOAT DONG DAY - HOC 1 Kiem tra - Cam ung la gi? Cam ling d dong vat cd gi khac vdi cam ling d thuc vat - So sanh hinh thiic cam ung ciia dong vat cd to chiic than kinh khac nhau 2 Trong tam - Nguon gd'c va cac bg phan ciia he than kinh ong - Phan biet he than kinh van dong va he than kinh sinh duong... cue cd the dua vao trong te bao ma khdng lam te bao bi tdn thuong "' Dien the hoqt dong: Dien hoat dong phat sinh la do su chenh lech ciia dien the giiia vung boat dong va vung yen tinh VCing da hung phan la mang dien tich am, cdn vung yen tinh mang dien tich duong * Co che phat sinh dong dien sinh hoc: Dugc giai thich bang thuyet mang Thuyet nay dua tren co so tinh ban tham cd chgn Igc cua mang te bao... tinh tham cua mang dugc khdi phuc - Mang te bao la noi phat sinh ra dien nghi ngoi ciing nhu dien boat dong Su chenh lech ve nong do ion K* va Na" d ngoai va trong mang te bao la ngudn gd'c phat sinh dien the Co che ddn truyen hung phan qua soi trdn khong co mielin Hung pha'n Ian truySn qua sgi tran tCr dau sgi den cuoi sgi tren co so phat sinh ra dong dien boat dong do chenh lech dien the' giCra vung ... dong nhdm, boat dong dgc lap II THIET B! DAY - HOC - Tranh hinh SGKphdng to -Hinh 28.2, 29 .1 trang 11 5 , 11 7 SGK co ban Thong tin bd sung: * Dien the nghi ngai: Dien the nghi ngoi (dien the mang)... xuat hien dien the boat dong - GV yeu cau HS: + Quan sat hinh 28.3 va dgc thdng tin SGK muc 11 . 1 trang 11 0 + Chii thich vao thj 28.3 cac giai doan phan cue, dao cue, tai phan - HS phan tich van... che hinh dien the nghi - GV cho HS quan sat tranh hinh 28.2, 28.3 trang 11 5 SGK co ban hinh 28.2 trang 10 9 SGK sinh hgc nang cao Co che hinh dien the nghi - GV neu yeu cau Quan sat va trinh bay