如果我們隨意在野外水池放生外來品種的魚類,最可能對當地的生態系統造成什麼影響?
Primary School · General Studies
Survival of the Fittest: Practice Questions
5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Survival of the Fittest.
北極狐在夏季毛色為灰褐色,而到了冬季則換成純白色。這種隨季節變化的保護色特徵,對於其在極地環境中生存的最關鍵作用是:
有些無毒的昆蟲,例如某些食蚜蠅,會演化出與蜜蜂或黃蜂相似的外形和顏色。這種模仿策略對牠們的生存有何好處?
鴨子的腳掌長有蹼,這種身體結構主要是為了適應以下哪種生活環境?
人類活動往往會改變自然環境,進而影響生物的生存。以下哪一項人類行為最直接導致了棲息地破壞,迫使當地生物必須遷徙或面臨滅絕?
如果人類將廢物隨意棄置在海洋中,會對海洋生物造成什麼直接的負面影響?
Write your answer out first, then check it against the worked solution.
除了節約用水和電,在日常生活中還有哪些簡單而直接的方法可以減少我們對地球資源的消耗?請舉例說明一項。
Write your answer out first, then check it against the worked solution.
沙漠中的一些動物,如耳廓狐,牠們的巨大耳朵除了幫助聽覺外,還有哪些獨特的生理功能,能幫助牠們在日間高溫環境下保持體溫,並在夜間低溫時減少熱量流失?
Write your answer out first, then check it against the worked solution.
鳥喙與食性的適應
下圖顯示了四種不同形狀的鳥喙(A、B、C、D)。不同鳥類的喙部構造演化以適應獲取特定的食物。
(a) 請根據圖中特徵,指出哪一種喙(A、B、C 或 D)最適合用來「夾取水中游動的小魚」?(1分)
(b) 請指出哪一種喙(A、B、C 或 D)最適合用來「啄開堅硬的種子外殼」?請簡述該喙部的構造特點。(2分)
(c) 蜂鳥擁有細長如吸管的鳥喙,這種形態構造有助於牠獲取哪種食物?(1分)
Write your answer out first, then check it against the worked solution.
植物的形態適應與環境變遷
地球上不同生境的植物為了生存,演化出獨特的構造來應對當地的環境。請回答下列問題:
(a) 試比較生長在水域環境的植物與生長在乾旱環境的植物(例如仙人掌),牠們在根部或葉片的構造上有甚麼明顯的不同?這些構造如何幫助牠們適應各自的環境?
(b) 當氣候變化導致某地區的降雨量大減時,原本適應濕潤環境的植物會面臨甚麼生存挑戰?
(c) 為了維護生物多樣性及植物的生長環境,我們在日常生活中可以實踐甚麼環保措施?
Write your answer out first, then check it against the worked solution.
* The content provided by thinka is generated by AI and may not always be accurate or up-to-date. Please use it as a supplementary resource and verify with official materials.
You've seen the model answer. Now get yours marked.
This page can show you how a good answer looks. It cannot tell you what your answer was missing. thinka marks your written work against the real mark scheme in about 15 seconds.
Want more questions like these? Get a fresh set on this topic, marked as you go.
Practise More