What was the main threat to biodiversity in Hawaii and other islands in the Pacific and Indian oceans until recently?
A. human assault on ecosystems
B. vulnerable rich ecosystems
Giải bởi Vietjack
D
Kiến thức: Đọc hiểu chi tiết
Giải thích:
Mối đe dọa chính đối với đa dạng sinh học ở Hawaii và các đảo khác ở Thái Bình Dương và Ấn Độ Dương cho đến gần đây là gì?
A. cuộc tấn công của loài người vào hệ sinh thái
B. hệ sinh thái phong phú dễ bị tổn thương
C. những công cụ được con người sử dụng
D. thợ săn và thú săn mồi được du nhập
Thông tin: In Hawaii more than half of the native birds are now gone – some 50 species. Such carnage has taken place all across the island communities of the Pacific and Indian oceans. While many species were hunted to extinction, others simply succumbed to the ‘introduced predators’ that humans brought with them: the cat, the dog, the pig, and the rat.
Dịch nghĩa: Ở Hawaii, hơn một nửa số lượng chim bản địa đã biến mất - khoảng 50 loài. Cuộc tàn sát như vậy đã diễn ra trên khắp các quần đảo của Thái Bình Dương và Ấn Độ Dương. Trong khi nhiều loài bị săn bắn đến tuyệt chủng, những loài khác chỉ đơn giản là bị khuất phục trước “những thú săn mồi được du nhập” mà con người mang theo: mèo, chó, lợn và chuột.
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