Phat hien loai ran nho nhat the gioi.

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Phat hien loai ran nho nhat the gioi

Cac nha khoa hoc vua tim thay nhung con ran chi dai 4 inch (10cm), than mong nhu soi mi ong, dang nam duoi 1 tang da trong rung o mien Dong Barbado..

Phat hien loai ran nho nhat the gioi - Ban co dau.
Phat hien loai ran nho nhat the gioi - Ban khong dau.
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Phat hien loai ran nho nhat the gioi.

Phat hien loai ran nho nhat the gioi.

Loai ran moi nay duoc dat ten la Leptotyphlops carlae, co kich thuoc  nho hon khoang 3.100 loai ran da duoc biet den truoc day. So voi mot loai ran nho be khac tung duoc phat hien tai dao Caribe thuoc Martinique, nhung con ran nay van ngan hon khoang 5 mm.


Day la thong tin  do ong Blair Hedges, nha sinh vat hoc truong Dai hoc  Bang Pennsyvania cung cap. Ong cung la nguoi co cong khong nho trong viec phat hien ra loai ech va than lan nho nhat the gioi.  

Leptotyphlops carlae la mot trong so khoang 300 loai ran day khac nhau va co mau xam, hoi nau tham, voi 2 soc vang. Ong Hedges khang dinh day chac chan la mot loai moi duoc phat hien boi so voi nhung loai ran khac, no co dac diem di truyen, hoa van, mau sac khong he giong. 

Leptotyphlops carlae co dac diem: khong tiet noc doc, an con moi va au trung cua con moi. Tuy nhien cac nha khoa hoc van chua biet nhieu ve hoat dong  cua loai ran nay, lieu co phai chung hoat dong vao ban dem hay khong. 

Hedges cho biet: “Khi ban phat hien duoc mot loai nho nhu vay, moi mm deu can phai duoc tinh den. ”Nhung loai dong vat co kich thuoc lon nhat cung nhu nho nhat thuong duoc phat hien o cac hon dao, nhung noi theo thoi gian  cac loai se lap day nhung lo hong  ve sinh thai, va o do cung khong he co su canh tranh voi cac loai sinh vat khac. 

Ran da song tu thoi ky khung long ton tai. Nhung hoa thach co nhat duoc biet den nay ve loai ran la khoang 100 trieu nam truoc. Nhung con ran dau tien duoc cho rang co nguon goc phat trien  tu than lan (co cac chi rat nho). 

Ong Hedges nghi rang loai bo sat moi nay co the co cung hoac kich thuoc  nho hoac tuong duong voi kich thuoc  nho nhat co the cua loai ran. Loai ran nay de mot trung, co vo manh de va qua trung chiem mot phan lon co the cua ran me

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Updated: 04/08/2008 | Views: 946 | Comments: 0

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Hien tai chua co binh luan nao ve bai viet Phat hien loai ran nho nhat the gioi!

Ban co y kien gi ve bai viet Phat hien loai ran nho nhat the gioi nay? Hay goi suy nghi, binh luan, danh gia, loi khuyen ... cua ban ve bai viet Phat hien loai ran nho nhat the gioi ban tai day.

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