What is the difference between microevolution and macroevolution?
A) Microevolution deals with microscopic organisms, whereas macroevolution deals with larger ones.
B) Microevolution describes changes within a population over a short period of time, whereas macroevolution describes larger changes such as the formation of new species over longer periods of time.
C) Microevolution describes what happens in small populations, whereas macroevolution deals with large populations.
D) Microevolution is hypothetical because changes are too small to be observed, whereas macroevolution is detectable.
Answer: B
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Many fertilizers contain N in the form of ammonia because ammonia is readily absorbed and used by plants, while N in the form of nitrate is more mobile and is more easily lost from the soil. Based on your knowledge of microbial transformations of inorganic nitrogen species, what impact would you predict extensive tilling to have on the fate of ammonium-based nitrogen fertilizer? What will be an ideal response?
Release factors of translation recognize the codon
A) AUG. B) GUA. C) UGA. D) GGA. E) UUU.
You are a resource manager of a large eutrophic lake. After stopping the source of nutrients from entering the lake, what further steps could you do to improve the water quality?
a. introduce phytoplankton-consuming fish. b. introduce freshwater sponges into the lake. c. introduce aquatic plants into the habitat. d. introduce carnivorous fish into the lake.
A change in the environment’s long-term ability to
sustain the population is indicated by a. A. b. B. c. C. d. D. e. E.