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(61) Of course, nature being unjust as ever, I have no biological clock of my own.

(62) Coming to the subject by way of the biological sciences, she stressed the value of biological principles applied to human geography.

(63) This brings us to another group of alleged animal rights which relate to its functioning as a biological organism.

(64) His approach has undoubtedly helped a lot of people to understand the complexities of biological evolution.

(65) The next chamber or chambers generally hold the main media, aimed at biological filtration.

(66) Biological agents provide promising alternatives, but we need to understand more about their modes of action.

(67) He has been especially dodgy about agreements meant to prevent him from developing chemical, biological or nuclear weapons.

(68) Wilson's position makes sense of a great deal in the history of general biological theory before and since 1900.

(69) Centrophenoxine had the strongest biological activity, producing a mild stimulation of the central nervous system.

(70) The Spice of Life Human biological diversity is hardly a new concept.

(71) This background influenced all his thinking about man in society, for he never forgot that human beings were biological organisms.

(72) Indeed, Piaget asserted that the basic principles of cognitive development are the same as those of biological development.

(73) We can not save the world's biological diversity unless we nurture the human diversity that protects and develops it.

(74) This hypothesis not only flouts accepted biological principles but is unnecessary.

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(75) So Potrykus used genetic manipulation to insert genes from the daffodil that encode the biological machinery for production of beta carotene.

(76) This statement will anger many well-meaning vegetarians and vegans, but they must face the biological facts.

(77) There is no biological need for the father to be anywhere around when the baby is born and nurtured.

(78) It takes a variety of forms and has long bewildered scientists and philosophers because it appears to lack biological purpose.

(79) Corresponding to this economics of adaptability components there is an economics of stability and instability in biological systems.

(80) Such structural analysis provides clues about the sites on the molecule responsible for its biological activity in the body.

(81) In short, fertilization enhanced neither the build-up of biological materials nor the capture of nutrients by it.

(82) A second biological weapons inspection team, which arrived on Sept. 20, was expected to complete its mission in early October.

(83) Baboons are highly intelligent animals and learn to satisfy their biological needs in many often diverse ways.

(84) Regional conflicts - along with the proliferation of missiles and nuclear, chemical and biological weapons - present growing dangers.

(85) Human cultures can change rapidly because cultural innovation is infinitely faster than biological evolution.

(86) Set up a biological filter and circulate your pondwater through it about once every two hours with a suitable pump.

(87) Mubarak's initiative for a Middle East free from nuclear, chemical and biological weapons was also welcomed.

(88) Nor are states of health and states of dependency automatically related to the biological facts of ageing.

(89) Unlike biological theories, socialization accounts apply equally to women and men.

(90) We are much less likely to find biological differences between races, simply because the genetic distances among them are so small.