Which of the following is a conclusion that can be drawn from this graph?
A) Female survivability is more negatively affected by larger brood size than is male survivability.
B) Male survivability decreased by 50% between reduced and enlarged brood treatments.
C) Both males and females had increases in daily hunting with the enlarged brood size.
D) There appears to be a negative correlation between brood enlargements and parental survival.
E) Chicks in reduced brood treatment received more food, weight gain, and reduced mortality.
Ans: D) There appears to be a negative correlation between brood enlargements and parental survival.
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Which of the following is TRUE regarding plasmids?
A. Plasmids are small, usually a few thousand to ten thousand base pairs. B. Plasmids are linear. C. Plasmids are contained within the bacterial chromosome. D. Plasmids are rarely found in prokaryotes. E. Plasmids dominate in eukaryotes.
What ultimately is the greatest threat to
biodiversity?
a. plant pathogens b. exotic species c. unthinking humans d. mineral and energy use e. conservation efforts
The fungi that cause serious plant disease, such as Dutch elm disease and chestnut blight, belong to the phylum
A. Zygomycota. B. Imperfect fungi. C. Ascomycota. D. Basidiomycota. E. Actinomycetes.
A. How does the generation of ATP by oxidative phosphorylation differ from ATP generation by substrate-level phosphorylation?
B. What catabolic process uses substrate-level phosphorylation, and how many ATP molecules are generated in this way in the reaction pathway? C. Where does oxidative phosphorylation take place, and what other processes are required for this to occur?