The strategy of grouping organisms based on their evolutionary history is called ________________.
<span>evolutionary classification</span>
The answer is C. The original population is the dotted line and the population after the selection is the faded blue. The two shell patterns are increasing while the most common was is decreasing.
I think the correct answer from the choices listed above is option A. Tolerance range is different for different organisms. <span>Animals can </span>tolerate<span> (or survive within) a certain </span>range<span> of a particular factor, but cannot survive if there is too much or too little of the factor. But this range depends on the organism. Hope this answers the question.</span>
Answer: sea floor (at the very bottom of the ocean)
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15 degrees Celsius is colder than 20 degrees Celsius. It gets colder as the temperature decreases.