A population’s vital statistics are known as its ____

a. age structure
b. population density
c. total fertility rate
d. demographics
e. population diversity


ANSWER: d

Biology & Microbiology

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Which two observations led Darwin to conclude that there is competition for survival?

A. Fossils and mutations B. Overproduction of organisms and limited food resources C. Gene and allele differences in organisms D. Natural selection and descent with modification

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Evolution has been tested in various ways

Genetic, fossil, anatomical, physiological and behavioral studies all confirm that evolution is the mechanism of the origin of species. Thus, in science evolution is considered a scientific

a. fact b. hypothesis c. law d. theory e. guess

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Who conducted the famous "imprinting" experiment on geese?  

A.  Mendel B.  Russel C.  Lorenz D.  Darwin E.  Raven

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Which area, A, B, C, or D, is an area of self-perpetuating embryonic tissue that often continuously grows and produces new tissue during the life of a plant?

1.A 2.B 3.C 4.D

Biology & Microbiology