Ch1生物學入門 Flashcards

(16 cards)

1
Q

生物一般有哪七項生命特徵?

A
  • 生殖
  • 營養(作用)
  • 呼吸作用
  • 生長
  • 排泄
  • 感應性
  • 運動

部份生物並不具備以上所有特徵

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2
Q

生殖指的是甚麼?

A

生產下一代的過程

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3
Q

營養作用是甚麼?

A

獲取食物的過程

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4
Q

食物的定義是甚麼?

A
  • 提供能量
  • 作為生長材料
  • 支持身體活動,維持健康

同一種物質,對某些生物而言是食物,對另一些生物不一定

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5
Q

呼吸作用是甚麼?

A

分解食物,產生能量的過程

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6
Q

生長的定義是甚麼?

A

體積增大或身體複雜性增加的過程

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7
Q

動物的生長模式跟植物一般有甚麼差異?

A

一般動物成熟後便停止生長,而一般植物則可不斷生長

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8
Q

排泄是甚麼?

A

生物排走代謝廢物的過程

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9
Q

甚麼是「代謝廢物」?

A

於體內進行新陳代謝後產生的無用或有害物質

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10
Q

感應性是甚麼?

A

生物探測刺激作出反應的能力

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11
Q

刺激是甚麼?

A

環境的變化

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12
Q

運動指的是甚麼?

A

生物局部或全身移動的能力

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13
Q

科學方法一般包括哪幾個步驟?

A
  • 細心觀察(observation)
  • 設定問題
  • 提出假說(hypothesis)
  • 作出預測(prediction)
  • 進行實驗(experiment)
  • 得出結論(conclusion)
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14
Q

在公平測試中,自變量是甚麼?

A

由實驗者控制或改變的變量

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15
Q

在公平測試中,因變量是甚麼?

A

隨自變量變動而發生變化的變量,即是實驗者要觀察或量度的變量

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16
Q

控制變量是甚麼?

A

應於實驗中保持不變的變量