TY - BOOK AU - Challand,Helen J. AU - Meents,Len W. TI - Activities in the life sciences SN - 0516005073 AV - QH316.5 .C45 1982 U1 - 507/.8 19 PY - 1982/// CY - Chicago, [IL] PB - Childrens Press KW - Biology KW - Experiments KW - Juvenile literature N1 - Includes index N2 - Presents a variety of experiments involving living organisms, including growing bacterial cultures, calculating the rate of seed germination, regenerating animals, and using urinalysis techniques ER -