11. 美國伊利諾州草原松雞(Illinois greater prairie chicken)因棲地減少而導致族群快速下降,經
棲地保育後此草原松雞的族群仍持續變小,下列何者是此現象最主要的原因?
(A) 獵食者增加
(B) 食物鏈中斷
(C) 遺傳變異下降
(D) 氣候改變
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統計: A(88), B(181), C(1164), D(29), E(0) #2049148
統計: A(88), B(181), C(1164), D(29), E(0) #2049148
詳解 (共 3 筆)
#4820289
The extinction vortex describes the forces affecting small populations that cause them to spiral into a vortex of increasingly smaller populations and endanger their long-term survival.
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