EPISODE · May 14, 2025 · 9 MIN
2025 bilogy talkshow : 鯊魚怎麼生小孩?
from 雷比特生物空中講 · host 雷比特老師
詳細介紹鯊魚的生殖生物學,屬於軟骨魚綱中的板鰓亞綱。首先描述了鯊魚在分類學上的位置、其作為高階掠食者的重要性以及與硬骨魚類的區別,特別強調其軟骨骨骼和特化的感覺系統。隨後,重點闡述鯊魚的雌雄二型性及其外在與內在生殖構造的差異,如雄性的交接器和雌性的卵巢與子宮。歸納了鯊魚的三大生殖方式:卵生、卵胎生和胎生,並細分胎生下的不同營養模式。最後討論了鯊魚的繁殖策略,認為其屬於K-選擇型生物,具有壽命長、成熟晚、繁殖率低等特點,這些特性使其容易受到過度捕撈的威脅,因此強調基於科學研究制定保育策略的重要性。 Powered by Firstory Hosting
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2025 bilogy talkshow : 鯊魚怎麼生小孩?
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