The level of the oceans is rising due to expansion of water volume stemming from ____.
A. ozone depletion
B. global warming
C. lost species biodiversity
D. increased precipitation
E. acid rain
Answer: B
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Endosymbiosis gave rise to:
A. chloroplasts B. mitochondria C. nuclei D. both chloroplasts and mitochondria E. none of the other choices provided
If a patients ability to create the bilayer that surrounds the cells has been disrupted, the processes likely to be affected would be
_____ controlling the gradients of Na+. _____ collecting fatty acids and making lipids. _____ holding proteins that aid active transportation. _____ dividing work between different cell types. _____ packing proteins into vesicles for exocytosis.
Animals establish and defend territories only when ____
a. the effort does not endanger the life of the individual b. males compete for females by fighting c. females choose among displaying males d. some critical resource is in short supply e. territorial defense is not energetically costly
In which environment would you most likely find chytrids?
A) The back of the refrigerator B) A well-used gym bag C) A warm swamp D) A basket of overripe fruit