Choose only the letter of the correct answer. ____1. Which of the following represents the longest time period? a. Cenozoic c. Paleozoic b. Mesozoic d. Precambrian ____2. During which geologic era did human beings evolve? a. Cenozoic c. Paleozoic b. Mesozoic d. Precambrian ____3. What time units are eras subdivided into? a. days b. eon c. epoch d. period ____4. Which division in the geologic time scale is the largest? a. eon b. era c. period d. epoch
Choose only the letter of the correct answer.
____1. Which of the following represents the longest time period?
a. Cenozoic c. Paleozoic
b. Mesozoic d. Precambrian
____2. During which geologic era did human beings evolve?
a. Cenozoic c. Paleozoic
b. Mesozoic d. Precambrian
____3. What time units are eras subdivided into?
a. days b. eon c. epoch d. period
____4. Which division in the geologic time scale is the largest?
a. eon b. era c. period d. epoch
____5. Which division in the geologic time scale is the shortest?
a. eon b. era c. period d. epoch
____6. Which serves as indicators of certain geologic period?
a. fossils b. plants c. animals d. soil
____7. What animals dominated during Paleozoic Era?
a. fish b. dinosaur c. birds d. primates
____8. Which among the following best describes the Cenozoic Era?
a. Age of Reptiles c. Age of Man
b. of Age Amphibians d. Age of Fish
____9. In what era is there mass extinction?
a. Paleozoic Era c. Cenozoic Era
b. Mesozoic Era d. Proterozoic Era
____10. Approximately, what is the age of Earth according to the records?
a. 2 billion years old c. 4.6 billion years old
b. 3.6 billion years old d. 6 billion years old
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