問題詳情
52. A larvae of certain fly lives on body surface of a dog feeding on host’s skin. What will be the ecological position of thiscreature?
(A) primary consumer
(B) secondary consumer
(C) tertiary consumer
(D) producer
(E) decomposer
(A) primary consumer
(B) secondary consumer
(C) tertiary consumer
(D) producer
(E) decomposer
參考答案
答案：C
難度：適中0.4
統計：A(0),B(4),C(4),D(0),E(1)
內容推薦
- Which is a functional group that helps stabilize proteins by forming covalent cross-links within
- Which of the following functional groups participate in chromatin-mediated gene expression?(A) O
- 下列何者所含的原子數最少? (A)6×1023amu的氧 (B)12克的水 (C)4L的氨(在25℃,1atm) (D) 6×1020個氦分子 (E)6×10−20mole的硫酸。
- 三、臺灣西南沿海分布有鹽土（saline soil），請問這種土壤之主要特性？若要栽種作物可能會遭遇何種問題？如何進行土壤改良以克服這些問題？（20 分）
- Trace elements are those required by an organism in only minute quantities. Which of the followi
- Which of the following statements is FALSE?(A) The sex determined in most ants and bees is by th
- Which of the following statements about circulatory systems is FALSE?(A) Arthropods and earthwor
- _____ is NOT a second messenger.(A) Ca2+ (B) Nitric oxide (C) Phosphatidylinositol 4, 5-bisphosp
- Which of the following RNAs works in RNA splicing?(A) rRNA (B) tRNA (C) snRNA (D) miRNA (E) mRNA
- Cancer types can be classified according to the origin of cells or tissues. Which of the followi
內容推薦
- The eukaryotic DNA replication does NOT contain(A) ligase (B) DNA polymerase (C) helicase (D) to
- Which of the following is (are) the mechanism(s) of epigenetic varivations?(A) histone acetylati
- 五、請說明土壤之陽離子交換容量（cation exchange capacity, CEC）和可礦化氮（mineralizable nitrogen）含量如何受到土壤有機質含量之影響。並請說明這些影響
- When we refer to a plant as a “short-day plant”, we mean that _____.(A) the plant flowers in win
- 當天空中具有過飽和的水蒸氣時，常可用乾冰與碘化銀來達降水的目的，則下列何者正確? (A)乾冰在高空會昇華為二氧化碳可讓高空中的水蒸氣減少吸收長波輻射，增加降水的機會 (B)碘化銀是一種感光物質，
- Which of the following statements about signal transduction is FALSE ?(A) Signal transduction on
- The process by which unrelated organisms with similar environment demands evolve superficially s
- In eukaryotic cells, 5S rRNA gene is transcribed by _____.(A) RNA polymerase I (B) RNA polymeras
- Which of the following statements regarding photosynthesis is FALSE?(A) The principal electron c
- Which of the following vitamins is incorrectly associated with its use?(A) vitamin B2: component
- Which of the following statements is FALSE?(A) The cells of the mucous membrane lining human air
- On a daily basis, the amount of urine produced is approximately ___ of the amount of filtrate.(A
- ________ is produced in the roots of plants. It promotes cell division and growth, and retards t
- Which of the following statements about gas exchange is FALSE?(A) Breathing control centers are
- Which of the following areas of study examines energy flow and chemical cycling between organism
- Which of the following structures does NOT belong to the human lymphatic system?(A) tonsils (B)
- 下列各組，何者可用以說明倍比定律? (A)白磷、白金 (B)甲烷、乙烷 (C)甲醇、乙醇 (D)純水、重水 (E)黃銅、白銅。
- 下列那種不適合作為焊接的檢驗法？(A)射線照像法(B)超音波法(C)滲透液法(D)敲擊法。
- Which of the following statements is FALSE?(A) Speciation, or the formation of new species, is t
- What is the target organ for thyrotropin-releasing hormone?(A) hypothalamus (B) anterior pituita
- 二、請說明何謂土壤孔徑分布（pore size distribution）？請比較具有整塊狀（massive）或具有團粒狀（aggregated）土壤構造（soil structure）之土壤，其土壤
- 5．有兩種不同元素X、Y，可化合成兩種不同的化合物甲、乙，甲由8克X及6克Y化合而成；乙則含有40％的X，若甲的化學式為XY，則乙的化學式為 (A)X2Y (B)XY (C)XY2 (D)XY3 (E
- 以結晶法純化物質時，是根據溶質與溶劑的何種性質? (A)溶解度 (B)溶點 (C)沸點 (D)顆粒大小 (E)密度。
- Mammalian Toll-like receptors (TLRs) recognize macromolecules present on certain groups of patho
- In the formation of a blood clot, damaged cells and platelets release substances which catalyze