Which of these is associated with el niño?
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a. below-average sea levels
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b. a periodic warming of sea surface temperatures
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c. below-average sea surface temperatures
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d. periodic rises in carbon dioxide levels
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Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation