Evolution

Topics in this chapter

• Origin of Life
• Evidences for Evolution
• Evolutionary Theories
• Natural Selection
• Population Genetics
• Speciation and Evolution
• Human Evolution

Cheat sheet

Practice questions

1. Question 1Q-083845

   In Stanley Miller's landmark 1953 prebiotic simulation, several simple amino acids were synthesized. Which of the following amino acids was NOT produced during this experiment?

   1. A.Glycine
   2. B.Alanine
   3. C.Aspartic acid
   4. D.Glutamic acid
   See the answer and solution
2. Question 2Q-2574D4

   Which scientific duo provided experimental proof for chemical evolution by simulating Earth's primordial atmospheric conditions in a closed spark-discharge laboratory apparatus?

   1. A.Stanley Miller and Harold Urey
   2. B.Alexander Oparin and J.B.S. Haldane
   3. C.Louis Pasteur and Robert Koch
   4. D.Lazzaro Spallanzani and Francesco Redi
   See the answer and solution
3. Question 3Q-2D84F3

   Which cosmological theory accounts for the expansion and origin of the physical universe from a singular, dense state roughly 20 billion years ago?

   1. A.Theory of Chemical Evolution
   2. B.Darwin's Theory of Natural Selection
   3. C.Lamarckism (Inheritance of Acquired Characters)
   4. D.The Big Bang Theory
   See the answer and solution
4. Question 4Q-4AE57E

   Which photosynthetic prokaryotes were the first organisms capable of utilizing water as an electron donor to release free molecular oxygen into Earth's atmosphere?

   1. A.Eukaryotic green algae
   2. B.Anoxygenic purple sulfur bacteria
   3. C.Cyanobacteria (blue-green algae)
   4. D.Primitive bryophytes
   See the answer and solution
5. Question 5Q-565C5F

   Which statement best defines biological evolution in terms of population genetics and organismal history?

   1. A.The static record of an organism's ancestry without genetic modifications.
   2. B.The cumulative historical development of a lineage accompanied by inherited variations across generations.
   3. C.The isolated physiological growth of an individual organism during its lifetime.
   4. D.An inevitable, linear progression toward higher structural complexity.
   See the answer and solution