Which of the following is the correct sequence of geological eras, going from oldest to most recent?
1.Cenozoic, Mesozoic, Paleozoic
2.Cenozoic, Paleozoic, Mesozoic
3.Mesozoic, Cenozoic, Paleozoic
4.Paleozoic, Mesozoic, Cenozoic
4
Biology & Microbiology
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The rate of exchange of carbon between the atmosphere and the oceans represents a carbon:
A. sink. B. reservoir. C. biomass. D. precipitation. E. flux.
Biology & Microbiology
An element or molecule that has an essential role in an organism's growth and survival is defined as a(n) ________
a. vitamin b. ion c. compound d. nutrient
Biology & Microbiology
What is it called when a demand for a new lifestyle leads to many speciation events from one founder species?
a. sympatric speciation b. allopatric speciation c. adaptive radiation d. convergent radiation
Biology & Microbiology
An example of a noncommunicable disease is
A) measles B) chickenpox C) tetanus D) influenza
Biology & Microbiology