Because of its widespread use in all living organisms, _______ is thought to have been one of the earliest metabolic pathways developed by life.

A. glycolysis
B. fermentation
C. the Krebs cycle
D. photosynthesis


Ans: A. glycolysis

Biology & Microbiology

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Indicate whether the statement is true or false.

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____________ shows that the building blocks of life form naturally under a wide range of circumstances

a. The Miller-Urey experiment b. The Chicxulub event c. The earliest fossils d. The Drake equation e. Stromatolites

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Name the structure that allows motility in the following groups: amoebozoa, excavates, and ciliates. What will be an ideal response?

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A group of population members all of the same age is called a ________.

A. deme B. species C. tribe D. cohort

Biology & Microbiology