In an environment that is prone to harsh seasonal environmental fluctuations, what would maximize your fecundity as an iteroparous organism?
A. Maturing rapidly to quickly produce offspring
B. Delaying your reproduction for more favorable conditions
C. Growing larger to produce more offspring
D. Reproducing before dying from the environmental stress
Answer: B. Delaying your reproduction for more favorable conditions
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Using the analogy of a 12-hour geologic time
clock a. prokaryotes appear shortly after 5 a.m. b. eukaryotes appear at 9 a.m. c. dinosaurs appear at 10 a.m. d. early fishes appear at 11 a.m. e. the first humans appear at 11:59 a.m.
As a nurse, you have to teach your patients about control and management of their diseases as well as the facts of the disease--risk, treatment, symptoms, etc. How might you instruct a patient who has West Nile virus to avoid the infectious agent in the future?
A. Be sure to treat your dogs and cats with flea medication. B. Do not eat food served from kiosks and food trucks in foreign countries. C. Do not go outside at dusk or dawn, and cover the skin if this is unavoidable. D. Get an annual vaccination if you live in an area where the virus is known to circulate. E. Always drink bottled water when outside of the U.S.
Studies in knockout mice have demonstrated an important role of the FOXP2 transcription factor in the development of vocalizations
Recent sequence comparisons of the FOXP2 gene in Neanderthals and modern humans show that while the DNA sequence may be different, the protein sequence it codes for is identical. What might logically be inferred from this information? A) There was a problem with the experiment because different DNA sequences cannot result in the same protein sequence. B) The differences in DNA sequence support the hypothesis that Neanderthals were primitive beings that could only grunt. C) Human and Neanderthal vocalizations may have been more similar than previously thought. D) The experiments in mice demonstrating the function of the FOXP2 gene are not relevant to humans and Neanderthals because they are not primates.
This STD is linked to cervical cancer
A) HPV infection B) syphilis C) CMV infection D) gonorrhea