The Southern Hemisphere has no equivalent of the boreal forest of the north. Why?
a. It has no latitudes near the poles.
b. It has insufficient altitudes
c. It has no land in the corresponding latitudes.
d. It is too close to the sun during the winter.
e. It has an inhospitable temperature
c
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What is typically the first step in the scientific method?
A. Carrying out an experiment B. Making a prediction C. Making an observation D. Developing a hypothesis
Farsightedness can be caused by:
a. a longer than normal eyeball b. a shorter than normal eyeball c. weak lens muscles d. a longer than normal eyeball and/or weak ciliary muscles e. a shorter than normal eyeball and/or weak ciliary muscles
Uptake of food particles by trapping them within an invagination of the plasma membrane is called ________
Fill in the blank with correct word.
In 2005, a strain of extremely drug-resistant bacteria was isolated from a man in New York City. Public health officials braced themselves for many more cases, but they never appeared. What is the most likely explanation?
A) The strain must have reverted back to a sensitive strain in order to keep infecting more people. B) The strain may have been less fit in other ways and thus not successful in the population. C) The strain must have become extinct. D) The strain must have been dormant and was waiting for the right conditions to reappear.