• Nguyn Đc Anh • Nguyn Đnh Hiu • Nguyn Cao Thnh An • Cao Thanh Sơn • Nguyn Đc Hiu • Phm Th Thu Hin • Lê Ngô Minh Khnh • Nguyn Th Bch Ngc • V Thy H Mi • Lê Minh Phưc • Nguyn Th T Uyên • Nguyn Th Quyên. T 4 Bi 6: Thc hnh: ĐA DNG TH GII SINH VT
1. Reu tan Marchantia. (A) Tan vi cquan sinh san (B) Tan vi cac
truyen the (C)Bao t thc vat
2. Baot thcvatcua Tungdiep
3. Dngx. (A)Lanon,(B) Cayrang,(C)Lamangbaotnang
4. Thach tung (Lycopodium) Moc tac (Equisetum )
5. - S xuat hien cua hat la mot li the cho thc vat thch nghi vi
i song at lien. - Thc vat cohat gom: + Thc vat hat tran
(Gymnosperm): co hat nhng khong co trai va hoa, ht khong c bao boc
* Nhom Thien tue, tung bach * Nhom Bach qua * Nhom Day gam +Thc vat
hat kn (Angiosperm): thc vat cohoa * Mot la mam * Hai la mam
12. Chong ngp trc ng c xanh ngt ngn Moravia, Du lch, du
lich
13. Vit Nam c bin rng, phong ph cc loi hnh thy vc nc ngt, c
nhiu rng ni trng ip v cc ng bng xen gia, ... ngha l c mi trng sng
thch hp cho i din ca hu ht cc ngnh ng vt. Hn na Vit Nam cn c kh hu
a dng, thay i theo chiu bc - nam v theo cao so vi mt bin, thch hp
cho ng vt t nhiu ngun sinh sng. V vy mt s ng vt nh khu u en, g li
trng tr thnh ng vt c hu ca Vit Nam, khng c cc nc khc, nn nc ny tr
thnh mt khu vc nghin cu khoa hc hp dn i vi nhiu nh ng vt hc. 300
loi th; 830 loi chim; 260 loi b st; 158 loi ch nhi; 5.300 loi cn
trng; 547 loi c nc ngt; 2.038 loi c bin; 9.300 loi ng vt khng xng
sng. Hin nay, vi tc ng ca con ngi v s thay i ca kh hu, nhiu loi b
tuyt chng v mt s loi khc ang dn bin mt. Thng 10 nm 1994, Vit Nam ph
chun Cng c Quc t v Bo tn a dng Sinh gii k kt ti Rio de Janeiro
(Brasil) thng 6 nm 1992. Ga li trng: Khu u en
14. Gii ng vt hin bit khong 1,5 triu loi c sp xp trong hn 30
ngnh v khong 100 lp. C nhng ngnh mang s loi rt ln, chim a s cc ng
vt hin bit nh Rut khoang, Chn khp, ng vt c dy sng, ... nhng cng c
nhng ngnh mang s loi ch tnh bng hng trm, thm ch l hng chc loi m thi
nh Sa lc, Hi tiu, ng vt hnh tm, ... Vit Nam ch nhc n 8 ngnh a dng
nht v c sp xp theo th t tin ha dn: ng vt nguyn sinh (Protozoa) Rut
khoang (Coelenterata) Cc ngnh giun: Giun dp (Plathelminthes), Giun
trn (Nemathelminthes), Giun t (Annelida). Thn mm (Mollusca) Chn khp
(Arthropoda) ng vt c dy sng (Chordata)
15. HAY CUNG BAO V MI TRNG ! Trng cy gy rng Khng sn bt thu Gi v
sinh ni cng cng Tuyn truyn, vn ng moi ngi tich cc tham gia cac cng
tac bao v mi trng Cung bao tn a dang sinh vt Xy dng cc vn quc gia
va khu bo tn thin nhin