Use the following scenario:Your friend is upset because his conception of what a species has been challenged. His professor told him that there are some problems associated with the common way that a species is identified. Your friend learned what a species was while in high school and it was reinforced during his first year in college. He also refers to the third chapter in your environmental science book for this definition. Your friend wonders if this professor knows what she is talking about. You explain to him that there really are some problems associated with the common way that a species is defined and you think that this professor is correct.The common way that a species is defined in biology (the way it is defined in Chapter 3) is in terms of reproductive isolation. This means
that all organisms that are similar enough to
A. Look alike
B. Fill the same niche
C. Occupy the same community
D. Produce fertile offspring in nature
E. Live together
Answer: D
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Which of the following is true of antibodies?
A) An organism is born with its full complement of antibodies. B) A new antibody can appear whenever one is needed. C) The ability to produce new antibodies is determined by an organism's genetic blueprint. D) None of the above is correct.
Being able to see the Sun before it rises or just after it sets is due to
A) refraction. B) reflection. C) scattering. D) absorption.
Conformal maps greatly distort ________ of continents in higher latitudes
A) shapes B) sizes C) the number D) the latitude E) the longitude
Suppose that where you live, the middle of January is typically several degrees warmer than the rest of the month. If you forecast this "January thaw" for the middle of next January, what type of a weather forecast will you have made?
a. ensemble forecast b. common forecast c. seasonal outlook d. nowcast e. probability forecast