| Page |
Location |
Original |
Revision |
Date Posted |
| 62 |
col. 2, par. 1, lines 4–5 |
"...is only 25 nanometers wide, or about 0.25 percent of the width of a typical cell." |
"...is only 20 nanometers wide, or about 0.20 percent of the width of a typical cell." |
26-Sep-2000 |
| 76 |
Fig. 4-2, caption, lines 1–2 |
"...ATP consists of the amino acid adenine..." |
"...ATP consists of a nitrogen-containing compound called adenine..." |
26-Sep-2000 |
| 81 |
col. 2, par. 3, line 4 |
"...Dutch scientist Hans Krebs." |
"...German-born scientist Hans Krebs." |
26-Sep-2000 |
| 156 |
col. 2, par. 3, line 1 |
"Roughly 1 child in every 15,000 is..." |
"Roughly 1 child in every 10,000 is..." |
26-Sep-2000 |
| 156 |
col. 2, par. 3, line 4 |
"another genetic disorder..." |
"another disorder..." |
26-Sep-2000 |
| 161 |
col. 2, par. 3, lines 4–5 |
"...syndrome to a mutation of..." |
"...syndrome to a deletion of a segment of..." |
26-Sep-2000 |
| 161 |
col. 2, par. 3, lines 6–7 |
"...disorder are quite short and suffer from obesity." |
"...disorder are hyperactive and laugh frequently." |
26-Sep-2000 |
| 161 |
col. 2, par. 3, lines 11–13 |
"...syndrome are usually hyperactive, very thin, and of normal height." |
"...syndrome are quite short and suffer from obesity." |
26-Sep-2000 |
| 162 |
col. 2, par. 2, lines 4–5 |
"...there are at least 100,000 genes..." |
"...there are 50,000 to 100,000 genes..." |
26-Sep-2000 |
| 163 |
col. 1, par. 1, lines 2–3 |
"...caused by exactly the same gene!" |
"...caused by a deletion of the same segment of chromosome 15!" |
26-Sep-2000 |
| 163 |
col. 1, par. 2, lines 5–7 |
"...defective allele from the mother...inherits the defective allele from the..." |
"...defective chromosome from the mother...inherits the defective chromosome from the..." |
26-Sep-2000 |
| 187 |
col. 2, par. 4, line 3 |
"...2000 genes." |
"...4300 genes." |
26-Sep-2000 |
| 189 |
col. 1, par. 3, line 1 |
"In 1976, scientists Philip Sharp..." |
"In 1977, scientists Phillip Sharp..." |
26-Sep-2000 |
| 205 |
Fig. 9-8, caption, line 1 |
"In 1997..." |
"In 1996..." |
26-Sep-2000 |
| 208 |
col. 1, par. 3, next to last line |
"...estate was granted 17 patents..." |
"...estate was granted 16 patents..." |
26-Sep-2000 |
| 220 |
Fig. 10-2, map of world |
Arrows showing Beagle's voyage around the world. |
New Figure 10-2 art |
26-Sep-2000 |
| 225 |
col. 2, par. 1, line 1 |
"In 1788..." |
"In 1798..." |
26-Sep-2000 |
| 233 |
col. 1, par. 2, last line |
"...around 1760." |
"...between the mid- and late 1800s." |
26-Sep-2000 |
| 359 |
col. 2, par. 1, line 7 |
"When a 30-year drought..." |
"When a 24-year drought..." |
26-Sep-2000 |
| 364 |
col. 1, par. 1 (after bullets), lines 2–4 |
"In 20 years... of wheat tenfold." |
"In about 20 years... of wheat threefold." |
26-Sep-2000 |
| 367 |
col. 1, par. 1, line 3 |
"More than 70 percent..." |
"About 40 percent..." |
26-Sep-2000 |
| 368 |
#3 label |
"Contour Plowing" |
"Terrace Cultivation" |
29-Aug-2000 |
| 368 |
lines 3–5 |
"...of crops, cultivating in contoured strips at right angles to the slope of the terrain, and rotating..." |
"...of crops, using terrace cultivation to conserve soil and water in hilly terrain, and rotating..." |
29-Aug-2000 |
| 377 |
col. 2, par. 1, last line |
"...hectare to nearly 1000 hectares." |
"...hectare to 100 hectares." |
26-Sep-2000 |
| 415 |
col. 2, line 19 |
"...multicellular species grow 70..." |
"...multicellular species grow 60..." |
26-Sep-2000 |
| 417 |
col. 2, par. 3, line 4 |
"...there are about 30,000 species of algae..." |
"...there are about 25,000 species of algae..." |
26-Sep-2000 |
| 418 |
col. 1, par. 1, line 2 |
"...that may reach 70 meters." |
"...that may reach 60 meters." |
26-Sep-2000 |
| 444 |
col. 1, par. 2, line 4 |
"...about 580 to 560 million years..." |
"...about 700 to 550 million years..." |
26-Sep-2000 |
| 469 |
col. 1, par. 1, line 1 |
"MORE THAN 99 PERCENT..." |
"ABOUT 96 PERCENT..." |
26-Sep-2000 |
| 472 |
col. 2, par. 2, line 4 |
"Almost 95 percent of all..." |
"About 90 percent of all..." |
26-Sep-2000 |
| 477 |
par. 5, line 4 |
"There are more than 2500 species..." |
"There are about 5000 species..." |
26-Sep-2000 |
| 477 |
par. 6, last line |
"...in 27 different orders." |
"...in 28 different orders." |
26-Sep-2000 |
| 478 |
col. 2, par. 2, last line |
"...into 16 different orders." |
"...into 20 different orders." |
26-Sep-2000 |
| 494 |
Bio Journal (bottom right), line 6 |
"...at an elevation of 3000..." |
"...at an elevation of about 2400..." |
26-Sep-2000 |
| 500 |
col. 2, par. 1, lines 3–4 |
"...in life's 4.5-billion-year saga." |
"...in life's 4-billion-year saga." |
26-Sep-2000 |
| 502 |
col. 1, par. 1, lines 3–4 |
"...about 600 soldiers, some guns, and a few dozen horses." |
"...about 500 soldiers, some guns, and 16 horses." |
26-Sep-2000 |
| 518 |
col. 1, par. 1, last line |
"...more than 4 billion cells!" |
"...more than 4 sextillion (1021) cells!" |
26-Sep-2000 |
| 548 |
col. 1, par. 3, line 2 |
"...almost 60 percent of..." |
"...40 percent of..." |
26-Sep-2000 |
| 558 |
col. 1, par. 2, line 5 |
"...as long as 100 meters." |
"...as long as 60 meters." |
26-Sep-2000 |
| 580 |
col. 1, par. 1, line 5 |
"...wood has been measured at 114 meters..." |
"...wood has been measured at 112 meters..." |
26-Sep-2000 |
| 580 |
col. 2, par. 1, line 2 |
"...an estimated mass of 2,040 metric tons." |
"...an estimated mass of 2,500 metric tons." |
26-Sep-2000 |
| 585 |
col. 1, par. 1, next to last line |
"...more than 90 percent of land..." |
"...more than 80 percent of land..." |
26-Sep-2000 |
| 599 |
Extending Your Thinking, 5 Evaluating, lines 3–4 |
"...estimated that of the 3 million species of plants, only 20 or 30 major..." |
"...estimated that of the approximately 300,000 species of plants, only about 100 major..." |
26-Sep-2000 |
| 635 |
col. 1, par. 1, lines 3–4 |
"...can grow to more than 3 meters in diameter..." |
"...can grow to 2 meters in diameter..." |
26-Sep-2000 |
| 669 |
col. 1, par. 1, lines 12–13 |
"There may be more than 15 million..." |
"There may be as many as 10 million..." |
26-Sep-2000 |
| 675 |
col. 1, par. 6, line 4 |
"...35,000 crustacean species..." |
"...approximately 40,000 crustacean species..." |
26-Sep-2000 |
