Discovery-based science and hypothesis testing are the two major scientific approaches that help us understand biology.
Answer the following statement true (T) or false (F)
True
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You would like to test the hypothesis that ammonia-oxidizing Archaea are more active and abundant than ammonia-oxidizing Bacteria in coastal marine water. What technique(s) or experiment(s) could you use to test this hypothesis?
A) environmental proteomics B) fluorescent in situ hybridization (FISH) C) stable isotope probing using 15N labeled ammonia D) stable isotope ratios of ammonia and nitrite
The process of gamete formation is accomplished by ____
a. oocytosis b. fertilization c. meiosis and mitosis d. mitosis only
e. meiosis onlyDuring the Proterozoic period photosynthetic cells
caused a. changes in the course of evolution due to production of oxygen. b. massive extinctions due to the production of chemical neurotoxins. c. the color of the oceans to change from blue to green. d. land formation due to the sediment buildup in shallow seas. e. none of these.
When biologists use an optimality model to predict foraging behavior, they assume that animals behave in a way that
a. maximizes energy gained over time. b. maximizes reproductive success over a lifetime. c. maximizes immediate reproductive success. d. maximizes the probability of survival. e. I don't know the answer.