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Sholpan [36]
3 years ago
5

Directional selection only occurs in response to naturally occurring events.

Biology
1 answer:
Shalnov [3]3 years ago
7 0
The answer is: False
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Which of the following two cycles are the most closely related in their role in sustaining life?
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Following two cycles are the most closely related in their role in sustaining life  are <span>carbon and oxygen 
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</span><span>Oxygen is very important to living organisms. The oxygen cycle  have following steps. The oxygen cycle is  interconnected with the carbon cycle because carbon and oxygen are  combined in a molecule. The oxygen cycle  consists of animals who inhale oxygen from the atmosphere and plants that release oxygen in the atmosphere.</span>
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The species is not prey to what is already living there and as a result may reproduce uncontrollably and end up causing the other species to go extinct by stealing the resources they need.

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37. A scientist carries out an experiment. How could she help other scientists judge the validity of her results? (2 points)
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Let other scientists closely review her work

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