Tobin, Allan J
Asking about life
Thomson, Brooks/Cole, 2005
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Barnard, Chris
Asking questions in biology : a guide to hypothesis-testing, experimental design and presentation in practical work and research projects
Pearson Prentice Hall, 2007
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Postlethwait, John H.
Explore life
Brooks/Cole, Thomson Learning, 2003
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LIfe: the science of biology
by William K. Purves ... [et al.]
Salt lake City Sinauer Associates , 1998
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Starr, Cecie
Biology : the unity and diversity of life
Wadsworth, 1998
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