問題詳情
49. 當農夫燒掉森林後，快速生長的雜草佔據這個區域，我們會認為這些雜草是________？
(A) 受到 r-selection 篩選出來的物種
(B) 受到 K-selection 篩選出來的物種
(C) 同時受到 r-selection 及 K-selection 篩選的物種
(D) 沒有受到任何篩選
(A) 受到 r-selection 篩選出來的物種
(B) 受到 K-selection 篩選出來的物種
(C) 同時受到 r-selection 及 K-selection 篩選的物種
(D) 沒有受到任何篩選
參考答案
答案：A
難度：適中0.517241
統計：A(15),B(7),C(3),D(1),E(0)
內容推薦
- Which of the following is true of members of the phylum Cnidaria?(A) They are not capable of loc
- 使用精密車床做兩頂心間之車削工作，一般採用哪種工具牽引工件旋轉？(A)彈簧套筒(B)三爪連動夾頭(C)雞心夾頭(D)四爪單動夾頭
- 使用皮帶傳動時，皮帶與帶輪的接觸角通常不得小於多少度，以避免打滑？(A) 180°(B) 150°(C) 120°(D)90°
- As cleavage continues during frog development, the size of the blastomeres ____.(A) increases as
- 下列何者是生物放大效應(biological magnification)的結果？(A) 溫室效應在南北極最明顯(B) 許多養分已自農業用地中被移走且進入水域生態系中(C) 某一種殺蟲劑已散佈
- 在CNS規範中，公制三角螺紋的規格可分爲哪兩種？(A)粗牙與特細牙(B)粗牙與特粗牙 (C)粗牙與細牙(D)細牙與特細牙
- 滲氮法爲表面硬化法，其採用鋼料的主要合金元素爲哪些？(A) Al. Cr. Mo(B) Cr、W、V(C) Si、Mn、Ni(D)Ni、Cr、W
- 在機械業的術語中，CMM通常是指何者之縮寫？(A)三次元量床(B)輪廓儀(C)電腦整合製造(D)加工中心機
- 某一地區地上有高密度的一種樹木幼苗，在其生長成熟的過程中，數目逐漸減少且留下的成熟樹木成均勻分布。試問造成這種結果的原因可能為何？(A) 蟲害 (B) 種內競爭 (C) 氣候的改變 (D) 土
- 依據分子證據，下列那一類的生物被認為在親緣關係上最靠近真菌？(A) 動物 (B) 植物 (C) 黏菌 (D) 細菌
內容推薦
- The first cloned cat, called Carbon Copy, was a calico, but she looked significantly different f
- The enzyme amylase can break glycosidic linkages between glucose monomers only if the monomers a
- 使用靈敏鑽床鑽孔，當手一施壓力鑽削時，鑽床主軸即停止旋轉，其最有可能的原因爲何？(A)鑽頭夾太緊(B)鑽床電源線接反(C)塔輪皮帶太緊(D)塔輪皮帶太鬆
- Which of the following best describes resource partitioning?(A) Two species can coevolve to shar
- 根據國際標準(ISO)的車刀刀片代碼，其材質可分爲K、P、M、N、S、H等六大類，請問最適宜車削硬化材料 的是哪一類車刀？(A)K(B)M(C)S(D)H
- 假設輸入軸是等角速度運動，經由下列何者傳動之後，其輸出軸呈間歇運動？ (A)歐丹聯結器(B)日內瓦機構(C)萬向接頭(D)汽車減速機
- Which of the following statements about intermediate filaments is NOT TRUE?(A) They are cytoskel
- What is a karyotype?(A) The combination of chromosomes found in a gamete.(B) A system of classif
- —般灰鑄鐵中內含什麼物質，可以促進切削時之潤滑效果？(A)石墨(B)鋁(C)矽(D)硫
- 發光二極體是一種能發光的半導體電子元件，其省電能力遠勝於電燈泡，其英文名之簡稱是什麼？(A)1C(B)CNC(C)LCD(D)LED
- The leading and the lagging strands differ in that(A) synthesize leading strands require RNA pri
- Which of the following statements about glycolysis is NOT TRUE?(A) Glycolysis takes place in cyt
- The producers in aquatic ecosystems include organisms in which of the following groups?(A) photo
- Which of the following pair of hormones have antagonistic effects?(A) thyroid hormone and parath
- About split gene and RNA splicing, which of the following statements is NOT TRUE?(A) The coding
- About Calvin cycle, which of the following statement is true?(A) reactions occur within the thyl
- Which of the followings were probably considered the first terrestrial organisms?(1) burrowers(2
- 下列何種螺紋具有較佳之防止流體洩漏功用 (A)錐管螺紋(B)梯形螺紋 (C)圓螺紋(D)愛克姆螺紋
- Which two structures play direct roles in permitting bacteria to adhere to each other, or to oth
- Which two genera have members that can evade the human immune system by frequently changing thei
- Which of the following cells or structures are associated with asexual reproduction in fungi?(A)
- About respiratory pigment, which of the following statements is INCORRECT?(A) Respiratory pigmen
- 操作車床加工時，不得使用下列何種防護具？(A)安全眼鏡(B)手套(C)安全鞋(D)耳塞
- Which of the followings would a paleontologist be most likely to do in order to determine whethe
- What’s wrong? You look_____ . (A) sadly (B) happily(C) exciting(D) nervous