原本同一物種的族群分散以後,由於地理隔離的因素,形成各自隔離群,彼此之間失去交配的機會,造成基因無法交流,歷經長時間各自累積變異後,終至形成新物種。這種現象稱為:
選修生物IV-1-3~1-4

Quiz
•
Biology
•
12th Grade
•
Medium
葉東茂 葉東茂
Used 1+ times
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35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Answer explanation
解答 B
解析 (B)影響蛋白質表現,可能在不同環境中受天擇考驗
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Answer explanation
解答 A
解析 生物種概念為自然狀況下,生物間個體可以相互交配,並產生具有生殖能力的下一代
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Answer explanation
解答 A
解析 中性理論主要探討的內容為基因突變對生物適應的影響,屬於分子層級
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Answer explanation
解答 B
解析 (B)紅血球呈鐮刀狀
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Answer explanation
解答 C
解析 (A)現代綜合論以達爾文天擇說為主體,肯定天擇的貢獻 (B)主張演化是生物產生遺傳變變異,由天擇篩選遺傳變異 (D)適應是指生物的性狀或行為等可使生物提高存活率與生殖率,而非一時生理的調適
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