Download Africa in the Age of Biology by Wilmot Godfrey James, Human Sciences Research Council PDF

By Wilmot Godfrey James, Human Sciences Research Council

This paper was once awarded because the first annual John Gerhart Memorial Lecture on the convention of the Africa Genome Initiative held in Cairo in March 2004. In Africa within the Age of Biology, Dr James discusses Africa's lengthy heritage of medical, technological and mathematical firm, from tokens of the very earliest counting by means of people to the sum of information dropped at undergo within the development of the pyramids. yet he specializes in the demanding situations of at the present time, and the next day, which he indicates Africa's leaders and students dare no longer fail to remember. Dr James argues that Africa stands challenged to behave by itself initiative to concentration funding past the dimensions of NEPAD's projects, supply political management and direct scholarly consciousness on profiting from genetic advancements for the advantage of its populations.

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The original corn plant had very small cobs, which were perhaps only 3 or 4 centimeters long. indd 17 17 larger cobs and more seeds per cob, increasing the yield greatly. In addition, plant breeders have created varieties, such as sweet corn and popcorn, with special characteristics. 19). The improvements in the plants, along with better farming practices (also brought about through biological experimentation), have greatly increased food production. Animal breeders also have had great successes.

Constructing Hypotheses A hypothesis is a statement that provides a possible answer to a question or an explanation for an observation that can be tested. A good hypothesis must have the following characteristics: (1) It must be logical. (2) It must account for all the relevant information currently available. (3) It must allow one to predict future events relating to the question being asked. (4) It must be testable. indd 5 Do cats hunt more when they are hungry? If given a choice between mice and cat food, which would cats choose?

2b. Is the killing behavior of the cat instinctive or learned? 3a. Did the cat like the taste of the mouse? 3b. If given a choice between mice and canned cat food, which would cats choose? Although questions 1a, 2a, and 3a are good questions, it would be very difficult to design an experiment to evaluate them. On the other hand questions 1b, 2b, and 3b lend themselves to experiment. The behavior of hungry and recently fed cats could be compared. The behavior of mature cats that have not had an opportunity to interact with live mice could be compared to that of mature cats who had accompanied their mothers as they hunted and killed mice.

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