During the past century biology, the study of life, has undergone
rapid change and has had a significant impact on the way we live. We
are now able to produce vaccines‘ and antibiotics, transplant hearts, and
manipulate genes. Biologists today are working on such vital projects as
increasing world food supply, improving environmental quality, identity-
satisfactorily contribute them health and longevity, and conquering killers
like cancer, heart disease, and AIDS. Biologists also continue their interest
in the study of interrelationships of the diverse forms of living things that
inhabit our planet. These scientists have enhanced our awareness of the
exquisite complexity that characterless all living things, and have helped
us better appreciate our own impact on other living t-hings and on the
environment
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