阿摩線上測驗
登入
首頁
>
學士後西醫-生物學
>
100年 - 100 學士後西醫:生物學#27448
> 試題詳解
26. The main source of energy for producers in an ecosystem is
(A) light energy.
(B) kinetic energy.
(C) thermal energy.
(D) chemical energy.
(E) ATP.
答案:
登入後查看
統計:
A(81), B(6), C(5), D(3), E(9) #944401
詳解 (共 1 筆)
Andy
B1 · 2019/05/09
#3338092
生態系中生產者透過光合作用將光能轉為化學...
(共 47 字,隱藏中)
前往觀看
10
0
其他試題
22. Which structure is NOT part of the endomembrane system? (A) nuclear envelope (B) chloroplast (C) Golgi apparatus (D) plasma membrane (E) ER
#944397
23. What is a genome? (A) An ordered display of chromosomes arranged from largest to smallest. (B) A specific set of polypeptides within each cell. (C) A specialized polymer of four different kinds of monomers. (D) A specific segment of DNA that is found within a prokaryotic chromosome. (E) The complete complement of an organism's genes.
#944398
24. Why are cattle able to survive on a diet consisting almost entirely of plant material? (A) They are autotrophic. (B) Cattle, like the rabbit, reingest their feces. (C) They manufacture all 15 amino acids out of sugars in the liver. (D) Cattle saliva has enzymes capable of digesting cellulose. (E) They have cellulose-digesting, symbiotic microorganisms in chambers of their stomachs.
#944399
25. Which one of the following, if present in a urine sample, would likely be caused by trauma? (A) amino acids (B) glucose (C) salts (D) erythrocytes (E) vitamins
#944400
27. Trace elements are those required by organisms in only minute quantities. Which of the following is a trace element that is required by humans and other vertebrates? (A) nitrogen (B) calcium (C) iodine (D) sodium (E) phosphorus
#944402
28. Which of the following pieces of evidence most strongly supports the common origin of all life on Earth? (A) All organisms require energy. (B) All organisms show heritable variation. (C) All organisms reproduce. (D) All organisms use essentially the same genetic code. (E) All organisms have undergone evolution.
#944403
29. Which of these is the smallest unit upon which natural selection directly acts? (A) a species' gene frequency (B) a population's gene frequency (C) an individual's genome (D) an individual's genotype (E) an individual's phenotype
#944404
30. The higher the proportion of loci that are "fixed" in a population, the lower is that population's (A) nucleotide variability. (B) genetic polyploidy. (C) average heterozygosity. (D) A, B, and C (E) A and C only
#944405
31. Which of these should decline in hybrid zones where reinforcement is occurring? (A) gene flow between distinct gene pools (B) speciation (C) the genetic distinctness of two gene pools (D) mutation rate (E) hybrid sterility
#944406
32. The largest unit within which gene flow can readily occur is a (A) population. (B) species. (C) genus. (D) hybrid. (E) phylum.
#944407