One of the prerequisites for chemical evolution on early Earth is that there was an adequate amount of time. This is an important assumption because there had to be enough time for which of the following to occur?* O RNA needed to start catalyzing reactions. O The sun needed to begin to produce infrared radiation. O Molecules needed to form, react, and reform. O Oxygen needed to leave the atmosphere.
One of the prerequisites for chemical evolution on early Earth is that there was an adequate amount of time. This is an important assumption because there had to be enough time for which of the following to occur?* O RNA needed to start catalyzing reactions. O The sun needed to begin to produce infrared radiation. O Molecules needed to form, react, and reform. O Oxygen needed to leave the atmosphere.
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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One of the prerequisites for chemical evolution on early Earth is that there was
an adequate amount of time. This is an important assumption because there had
to be enough time for which of the following to occur? *
RNA needed to start catalyzing reactions.
The sun needed to begin to produce infrared radiation.
Molecules needed to form, react, and reform.
Oxygen needed to leave the atmosphere.
Deer mice are usually found in the woods and are dark brown in color. The deer
mice that live in the Sand Hills of Nebraska, however, have evolved a lighter
coloring, the result of a change in one gene. A scientist decides to move a
population of brown deer mice to a habitat composed of a mixture of sandy
areas and dark rocks. After monitoring the population for several generation, she
finds that it is composed of a mixture of very light and very dark colored mice.
What type of selection has occurred?*
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