生物专业英语chapter 5 Zoology.pptVIP

1.2 Exercises - Matching 1). stromalites a). a scientist who studies paleontology, learning about the forms life that existed in former geologic periods, chiefly by studying fossils. 2). proto-genome b). a proposed explanation for a phenomenon. 3). paleontologist c). the primitive form of a genome 4). Proto-cell d). wavy geological formations 5). hypothesis e). the primitive form of a cell d c a e b 1.3 The Significance of Biology in Your Life Biology is the science that deals with the study of varieties of living organisms including ourselves. The significance of biology in your daily life lies in the fact that biology attempts to find out the unifying principle that exists among diverse organisms having morphological and functional inequalities. The significance of biology in your daily life can be considered from the two natural divisions of the science itself, plant life and animal life. 1.3 The Significance of Biology in Your Life (Continued) Agriculture plays great role in narrating the significance of biology in your daily life. Agriculture is largely the result of man’s taking the advantage of the interrelations of soil, climate and natural habitat to select those particular combinations that meet his basic requirements. Thus to provide necessary food, man depends entirely on green plants that can alone capture the solar energy. High yielding varieties of crop plants like rice, wheat, jute, sugar cane, pulses etc are now bred experimentally. Disease-resistant grains and vernalized seeds are made. Biological control strategies are undertaken as pest control emphasizing the significance of biology in your daily life. Modern man does not depend on fishing and hunting like our ancestors and instead rears fishes as well as cattle and various other domestic animals t