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Biol161 01
- 2. a. A search or investigation directed to the discovery of some fact by careful consideration or study of a subject; a course of critical or scientific inquiry. b. Without article: Investigation, inquiry into things. Also, as a quality of persons, habitude of carrying out such investigation.
- 10. Fake it.
- 13. What happens when you can't find the answer?
- 15. We also assume that rational principles govern the world.
- 18. Formulation of an hypothesis to explain the phenomena. Often, the hypothesis often takes the form of a causal mechanism or a mathematical relationship.
- 19. Use of the hypothesis to predict the existence of other phenomena, or to quantitatively predict the results of new observations.
- 20. Performance of empirical tests of the predictions by appropriately designed experiments and, preferably, several independent experimenters.
- 22. “The important thing is to never stop questioning.”
- 24. The Problem 2005, Kaplan's Americas Hottest Colleges, Newsweek
- 27. 110.4 BILLION txt msgs. omg.
- 28. >100 million tweets ...
- 31. have a mechanism of heredity (usually DNA)
- 32. adapt to their environments, producing unique features (homeostasis)
- 38. Ontogeny
- 39. Phylogeny
- 41. "The ocean is a wilderness reaching 'round the globe, wilder than a Bengal jungle, and fuller of monsters, washing the very wharves of our cities and the gardens of our sea-side residences." - Henry David Thoreau, 1864
- 43. CREDIT: COURTESY FIRST RUN/ICARUS FILMS
- 46. Romanes' 1892 copy of Haeckel's allegedly fraudulent embryo drawings (public domain)
- 48. NOVA series on PBS
- 49. Livestock Populations of the World (average 1990 - 92) (FAOSTAT, 1994,1998,2003) 2000-2002 Population 1.35 1.8 0.91 0.12 0.18 18.2 5.9 CURRENT WORLD POPULATION: 6,707,019,126
- 52. Biosecurity
- 55. Is there any 'natural selection'?
- 56. Worldwide Chronic Undernutrition http://www.fao.org/es/ess/faostat/foodsecurity/FSMap/flash_map.htm Percentage of population undernourished, 1990-92 < 10% 20 - 30% 10 - 20% > 50% 30 - 50% Not Estimated
- 58. Over 36% of the individuals living in these households are children (13.9 million children under the age of 18).
- 59. •The number of American households experiencing hunger jumped 43% between 1999 and 2004.
- 60. Worldwide Meat Consumption (1997)
- 61. Where do you get your calories? Perhaps, more importantly: Did you get enough protein for your calories??
- 62. The world and plants
- 63. The 7 Neolithic Founder Crops
- 67. The world, plants and animals
Editor's Notes
- (A) Seed-shattering habits of rice panicles. Photos taken after grabbing rice panicles. (Left) Nonshattering-type cultivar, Nipponbare. (Right) Shattering-type cultivar, Kasalath, in which the seed has shattered. (B) Chromosomal locations of QTLs for seed-shattering degree, based on an F2 population from a cross between Nipponbare and Kasalath. Positions of circles indicate positions of QTLs, and circle size indicates the relative contribution of each QTL. Red circles, Nipponbare alleles contributing to nonshattering habit; blue circles, Kasalath alleles contributing to nonshattering. qSH1 is marked on chromosome 1 with the nearest DNA marker (C434). (C) NonÐseed-shattering habits of Nipponbare, Kasalath, and NIL(qSH1). Breaking tensile strength upon detachment of seeds from the pedicels by bending and pulling was measured (10). Increase in value indicates loss of shattering. NIL(qSH1), a nearly isogenic line carrying a Kasalath fragment at the qSH1 locus in the Nipponbare background, as shown in fig. S1A. (D) Photo of a rice grain. White box indicates position of abscission layer formation. (E to G) Nipponbare. (H to K) Kasalath. (L to N) NIL(qSH1). (E), (H), and (L) Longitudinal sections of positions corresponding to white box in (D). Arrows point to the partial abscission layer of Kasalath in (H), the complete abscission layer of NIL(qSH1) in (L), and the corresponding region of Nipponbare in (E). (F), (I), and (M) Scanning electron microscope (SEM) photos of pedicel junctions after detachment of seeds. (G), (J), (K), and (N) Close-up SEM photos corresponding to white boxes in (F), (I), and (M). (G) Broken and rough surface of Nipponbare when forcedly detached. (N) Peeled-off and smooth surface of NIL(qSH1) upon spontaneous detachment. In Kasalath, rough center surface (K) and smooth outer surface (J) are observed. Scale bars: 500 µm in (E), (H), and (L); 100 µm in (F), (I), and (M); 10 µm in (G), (J), (K), and (N). http://www.sciencemag.org/cgi/content/full/312/5778/1392?maxtoshow=&HITS=10&hits=10&RESULTFORMAT=&andorexacttitleabs=and&andorexactfulltext=and&searchid=1&FIRSTINDEX=0&volume=312&firstpage=1392&resourcetype=HWCIT
- Modern examples of dehiscent wild einkorn wheat ear (A) and spikelet (B). Detail of spikelet with smooth wild abscission scar (C), indehiscent domestic ear (D), and detail of spikelet with jagged break (E) are shown. The bar chart (F) gives relative frequencies of subfossil finds with the absolute figures. Records from Aswad and Ramad (6) are of barley; the other four sites are of wheat. http://www.sciencemag.org/cgi/content/full/311/5769/1886