Which bits of evidence would convince you that life originated as early as 3.2 bya? a. You look at a microfossil under a scanning electron microscope and it is the same shape as a cell. b. A high-quality transmission electron micrograph of a fossil cell reveals cellular compartments, including a possible nucleus. c. Potassium dating of a fossil containing a possible cell indicates that the fossil is 3.2 billion years old. d. Using transmission and scanning electron microscopy, you find evidence of a carbon-based material in what appears to be a cell wall of a fossil isotopically dated as 3.2 billion years old.
Which bits of evidence would convince you that life originated as early as 3.2 bya? a. You look at a microfossil under a scanning electron microscope and it is the same shape as a cell. b. A high-quality transmission electron micrograph of a fossil cell reveals cellular compartments, including a possible nucleus. c. Potassium dating of a fossil containing a possible cell indicates that the fossil is 3.2 billion years old. d. Using transmission and scanning electron microscopy, you find evidence of a carbon-based material in what appears to be a cell wall of a fossil isotopically dated as 3.2 billion years old.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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| Which bits of evidence would convince you that life originated as early as 3.2 bya? |
| a. You look at a microfossil under a scanning electron microscope and it is the same shape as a cell. |
| b. A high-quality transmission electron micrograph of a fossil cell reveals cellular compartments, including a possible nucleus. |
| c. Potassium dating of a fossil containing a possible cell indicates that the fossil is 3.2 billion years old. |
|
d. Using transmission and scanning electron microscopy, you find evidence of a carbon-based material in what appears to be a cell wall of a fossil isotopically dated as 3.2 billion years old.
|
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