How is a population pyramid constructed, and what kind of information does it convey?
What will be an ideal response?
A population pyramid is a graphic representation of an area's age and sex composition. It
conveys the percent of a population that is male or female in different age classes, from young to
old; is it useful for comparing different population structures and to indicate structural changes of
a population over time.
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The two groups of ungulates, based on number of toes, are _________ and _________. Fill in the blank(s) with the appropriate word(s)
?Match the term with the correct description.
A. ?the role of the human species should be to protect nature, not to conquer it B. ?learning to live with less C. ?"Civilization is the limitless multiplication of unnecessary necessities." D. ?"A house is just a pile of stuff with a cover on it. It is a place to keep your stuff while you go out and get more stuff." E. ?principle of enoughness
Toxic substances are dangerous because they
A. Can physically remove or tear tissues B. Cause excessive water accumulation in tissues C. Are usually synthetic D. React or interfere with specific cell functions E. Cause debilitating parasitic diseases
The Amazon has the greatest discharge in the world. Which river has the second greatest discharge?
A) The Missouri B) The Congo C) The Ob D) The Nile E) The Hudson