Question 55.55. The fact that marsupials are not as diverse in South America as

Question

Question 55.55. The fact that marsupials are not as diverse in South America as they are in Australia would be classified as what type of evidence for evolution? (Points : 1.25)

   biogeographical

   anatomical

   biochemical

   fossil record

   molecular evidence

Question 56.56. What is the name of the hypothesis that states that the very first living thing came from nonliving chemicals? (Points : 1.25)

   cell theory

   chemical evolution

   Darwinian evolution

   speciation

   organic chemistry

Question 57.57. What structures are necessary for the replication process to occur in a cell? (Points : 1.25)

   enzymatic proteins

   carbohydrates

   lipids

   starches

   viruses

Question 58.58. The flipper of a whale and the wing of a bird are homologous structures. (Points : 1.25)

   TRUE

   FALSE

Question 59.59. Both the RNA-first and the protein-first hypotheses must propose a manner for DNA to become the genetic material as it is today. (Points : 1.25)

   TRUE

   FALSE

Question 60.60. The early atmosphere of Earth consisted mainly of (Points : 1.25)

   hydrogen, oxygen, and carbon dioxide.

   oxygen, water vapor, and carbon monoxide.

   water vapor, nitrogen, and carbon dioxide.

   hydrogen, carbon monoxide, and nitrogen.

   water vapor, hydrogen, and carbon dioxide.

Question 61.61. Which of the following biogeochemical cycles is a sedimentary cycle? (Points : 1.25)

   carbon

   nitrogen

   phosphorus

   water

   ice

Question 62.62. What two characteristics define a biome? (Points : 1.25)

   temperature and the types of plants found there

   amount of precipitation and the types of plants found there

   temperature and rainfall

   latitude and rainfall

   altitude and temperature

Question 63.63. The atmosphere would be considered what component of a chemical cycle? (Points : 1.25)

   reservoir

   exchange pool

   biotic community

   source

   none of these

Question 64.64. Are humans capable of upsetting global biogeochemical cycles with their activities? (Points : 1.25)

   YES

   NO

Question 65.65. The richest marine ecosystems are those in the open water where large fish abound. (Points : 1.25)

   TRUE

   FALSE

Question 66.66. What is involved in the process of denitrification? (Points : 1.25)

   conversion of nitrogen gas to ammonium

   conversion of nitrogen gas to nitrate

   conversion of ammonium to nitrate

   conversion of nitrite to nitrate

   conversion of nitrate to nitrogen gas

Question 67.67. What is the loss of water from plants called? (Points : 1.25)

   runoff

   precipitation

   evaporation

   transpiration

   transference

Question 68.68. Decomposers perform a valuable service because they recycle nutrients. (Points : 1.25)

   TRUE

   FALSE

Explanation / Answer

55.55: Molecular evidence

Molecular evidence is the study of genotype to compare the similarities and differences among different species of living beings.

56.56--------------> Chemical evolution

57.57--------------> Enzymatic proteins

58.58 --------------> True

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