________ stochasticity is the random variation in birth and death rates that occurs in populations from year to year as a result of natural disasters and other annual variations in the environment
Fill in the blank(s) with correct word
Environmental
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Recall the Bartel lab group experiment to create a ribozyme from scratch. If they had created exact copies of each ribozyme (rather than creating copies with a few differences), the ribozymes would have _____
A) become more efficient with each round of selection B) stayed the same with each round of selection C) become less efficient with each round of selection D) stopped catalyzing reactions after just a few rounds of selection
True or False: Once someone has been diagnosed with stage 4 cancer, there are no further treatment options that may help.
Answer the following statement true (T) or false (F)
Why are the sterile transgenic salmon of concern for local streams?
A) Transgenic salmon may introduce resistant bacteria to the ecosystem. B) Transgenic salmon may cause eutrophication of the local streams. C) Transgenic salmon may spread cancer-causing genes in the fish population. D) Transgenic salmon may still reproduce with wild species and disrupt the food web.
Refer to the paragraph on Brown et al. and Morwood et al. Which would be the most feasible method of figuring out to which other hominin species H. floresiensis was most closely related?
A) Compare the type of prey hunted by H. floresiensis to that hunted by each of the other hominin species. B) Compare the average body size of H. floresiensis to that of each of the other hominin species. C) Compare the skeletal morphology of H. floresiensis to that of each of the other hominin species. D) Compare the estimated life span of H. floresiensis to that of each of the other hominin species.