20:
358:
116:
334:
383:
140:
66:
56:
51:
46:
41:
36:
388:
310:
293:
276:
259:
242:
225:
208:
191:
174:
157:
25:
377:
144:
362:
338:
297:
280:
246:
229:
212:
178:
161:
314:
263:
195:
120:
19:
15:
101:
This category has the following 14 subcategories, out of 14 total.
31:
8:
7:
359:Taxa described in the 20th century
355:
331:
307:
290:
273:
256:
239:
222:
205:
188:
171:
154:
137:
113:
103:
95:
14:
18:
1:
117:20th century in biotechnology
405:
335:20th century in medicine
384:20th century in science
141:20th-century biologists
389:Biology by century
396:
364:
357:
340:
333:
316:
311:1990s in biology
309:
299:
294:1980s in biology
292:
282:
277:1970s in biology
275:
265:
260:1960s in biology
258:
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243:1950s in biology
241:
231:
226:1940s in biology
224:
214:
209:1930s in biology
207:
197:
192:1920s in biology
190:
180:
175:1910s in biology
173:
163:
158:1900s in biology
156:
146:
139:
122:
115:
88:
83:
78:
73:
28:
23:
22:
404:
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399:
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94:
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71:
24:
17:
12:
11:
5:
402:
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368:
367:
353:
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329:
328:
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305:
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288:
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254:
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26:Biology portal
13:
10:
9:
6:
4:
3:
2:
401:
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387:
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382:
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379:
360:
356:
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336:
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327:
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312:
308:
303:
295:
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210:
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193:
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176:
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145:(25 C, 228 P)
142:
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133:
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129:
118:
114:
109:
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102:
98:Subcategories
97:
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55:
53:
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48:
45:
43:
40:
38:
35:
34:
27:
21:
16:
100:
61:
315:(12 C, 1 P)
264:(12 C, 1 P)
196:(12 C, 1 P)
378:Categories
363:(102 C)
339:(13 C)
298:(12 C)
281:(12 C)
247:(12 C)
230:(12 C)
213:(12 C)
179:(12 C)
162:(11 C)
121:(9 C)
87:25th
82:24th
77:23rd
72:22nd
67:21st
62:20th
57:19th
52:18th
47:17th
42:16th
37:15th
130:0–9
380::
361:
337:
313:
296:
279:
262:
245:
228:
211:
194:
177:
160:
143:
119:
348:T
324:M
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