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Regardless of what you said on the first extra credit question, when is Mariah Carey officially “defrosted,” meaning it’s socially acceptable to start listening to Christmas music, decorating, and doing all things Christmas related? (2 points)

Which statement best describes the difference between homologous and analogous structures? (3 points)

Two species of birds overlap in a forest valley. Occasionally, they mate and produce hybrid chicks. Over generations, scientists notice that hybrids are weak and rarely survive, and the two parent species continue to remain distinct. Which hybrid zone outcome does this represent? (3 points)

Which of the following are mechanisms that can lead to sympatric speciation? (3 points)

Two species of salamanders can mate and produce offspring, but the hybrid offspring die shortly after hatching. This is an example of a ________ barrier. (3 points)

Who discovered that the amounts of adenine and thymine are equal, as are cytosine and guanine, leading to base-pairing rules? (3 points)

This question has two parts. Consider the following code for both parts.for (int i = 1; i < N; i++) {    a[i] = a[i - 1] + 1.0f;}Unroll the loop by one iteration. In other words, re-write the loop so that the loop counter increments by two but the same work gets done.Name the type of dependency.

The symbol for the isotope with the following numbers of subatomic particles is __________. p+  = 5                     n0 = 6                     

The symbol for the isotope with the following numbers of subatomic particles is __________.      p+  = 4                                n0 = 5

If you have been told that everything you need for a presentation will be set up in advance, you don’t have to worry about the occasion anymore.