Wikipedia:WikiProject Biology/Popular pages

This is a list of pages in the scope of Wikipedia:WikiProject Biology along with pageviews.

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List

Period: 2026-07-01 to 2026-07-31

Total views: 8,501,283

Updated: 14:49, 6 August 2026 (UTC)

Rank	Page title	Views	Daily average	Assessment	Importance
1	Masturbation	195,457	6,305	B	Low
2	Missionary position	158,206	5,103	C	High
3	Ejaculation	136,834	4,414	C	Mid
4	Animal	131,375	4,237	GA	Top
5	Aristotle	109,508	3,532	GA	Top
6	Christine Grady	93,637	3,020	C	Low
7	Charles Darwin	75,770	2,444	FA	Top
8	Virus	75,714	2,442	FA	Top
9	Intersex	69,410	2,239	B	Mid
10	Taxonomy (biology)	65,441	2,111	C	High
11	Visual snow syndrome	60,229	1,942	C	Low
12	Life	59,710	1,926	GA	Top
13	Cretaceous–Paleogene extinction event	57,995	1,870	FA	High
14	Sarcoidosis	56,673	1,828	B	Mid
15	Twin	56,651	1,827	B	Mid
16	Death	53,709	1,732	B	Top
17	Human sexuality	52,594	1,696	C	Low
18	Sexual dimorphism	50,190	1,619	B	High
19	Love	49,999	1,612	C	Low
20	Metamorphosis	49,762	1,605	C	Mid
21	Plant	48,526	1,565	GA	Top
22	Vivisection	47,667	1,537	C	High
23	Organism	47,004	1,516	GA	Top
24	DNA	46,233	1,491	B	Top
25	Extraterrestrial life	45,848	1,478	C	High
26	Biology	44,963	1,450	GA	Top
27	Cell (biology)	44,581	1,438	B	Top
28	Carl Linnaeus	43,805	1,413	GA	Top
29	Organ (biology)	42,757	1,379	C	High
30	Species	42,320	1,365	GA	Top
31	Vertebrate	42,171	1,360	GA	High
32	Typhoid fever	42,092	1,357	B	Low
33	Seer, Inc.	41,711	1,345	C	Low
34	Oxygen	38,725	1,249	FA	Top
35	Hermaphrodite	37,363	1,205	C	High
36	Abiogenesis	36,974	1,192	GA	High
37	Apex predator	36,525	1,178	GA	Low
38	List of common misconceptions	35,195	1,135	List	Mid
39	Louis Pasteur	34,972	1,128	B	High
40	Conservation status	34,685	1,118	C	Mid
41	Last universal common ancestor	33,502	1,080	GA	Top
42	Strangling	33,337	1,075	C	Low
43	Rosalind Franklin	33,004	1,064	B	High
44	Bacteria	32,776	1,057	FA	Top
45	Genus	32,383	1,044	C	High
46	Extinction	31,915	1,029	C	High
47	Alice Roberts	31,156	1,005	B	Low
48	Evolution	31,043	1,001	FA	Top
49	Conjoined twins	30,836	994	C	Low
50	Kingdom (taxonomy)	30,825	994	B	Mid
51	Taxonomic rank	30,661	989	C	Mid
52	Extinction event	30,429	981	B	High
53	Adolescence	30,207	974	B	Mid
54	Parasitism	29,992	967	GA	High
55	Morality	29,398	948	C	Low
56	Developmental coordination disorder	28,726	926	B	Mid
57	Biological sex	28,456	917	B	Top
58	Sexual reproduction	27,837	897	C	Mid
59	Endemism	27,513	887	C	High
60	List of longest-living organisms	27,042	872	List	Low
61	Homosexual behavior in animals	26,716	861	C	Low
62	Energy	26,614	858	B	High
63	Parthenogenesis	26,489	854	C	High
64	Epidemiology	25,758	830	C	Low
65	Infant	24,896	803	B	Mid
66	HeLa	24,832	801	C	Low
67	Female reproductive system	24,717	797	C	High
68	Protist	24,472	789	GA	Low
69	Protozoa	24,087	777	C	High
70	History of HIV/AIDS	24,052	775	B	High
71	Binomial nomenclature	23,676	763	C	Mid
72	Female	23,551	759	C	Top
73	Gregor Mendel	23,286	751	B	Mid
74	Albinism in humans	22,605	729	C	Low
75	Multiple birth	22,096	712	C	Low
76	Color	21,715	700	B	Low
77	Cardiopulmonary resuscitation	21,630	697	B	Mid
78	Menstruation	21,532	694	B	Low
79	Behavioral sink	21,512	693	C	Mid
80	Disease	21,218	684	B	High
81	Neuron	21,057	679	B	High
82	Pelagic zone	20,757	669	C	Mid
83	Megadiverse countries	20,756	669	Start	Mid
84	Child	20,719	668	B	Mid
85	Infidelity	20,630	665	B	Mid
86	Childbirth	20,514	661	B	Top
87	Hybrid (biology)	20,318	655	GA	Mid
88	Fossil	20,057	647	B	High
89	Neontology	19,916	642	Start	Mid
90	Health	19,704	635	B	High
91	Linus Pauling	19,581	631	B	High
92	Male reproductive system	19,412	626	C	Mid
93	Anus	18,990	612	Start	Mid
94	Alexander von Humboldt	18,943	611	B	Top
95	Male	18,518	597	C	Top
96	Pituitary gland	18,447	595	C	Mid
97	Family (taxonomy)	18,428	594	Start	Mid
98	Sense	17,921	578	B	Mid
99	Neuroscience	17,920	578	B	High
100	Adipose tissue	17,505	564	B	Mid
101	Nervous system	17,483	563	B	High
102	Mirror-image life	17,375	560	Start	Low
103	Biotechnology	17,358	559	C	Low
104	Plankton	17,321	558	C	High
105	Entomology	17,249	556	C	High
106	Domain (taxonomy)	17,181	554	B	Mid
107	Carnivore	16,837	543	B	Low
108	Anatomy	16,752	540	GA	Top
109	Handedness	16,745	540	B	Low
110	Largest organisms	16,398	528	Start	High
111	Mitochondrial Eve	16,387	528	B	Mid
112	Paleontology	16,365	527	GA	Top
113	SpudCell	16,357	527	Start	Low
114	Animal echolocation	16,320	526	GA	Mid
115	James Watson	16,272	524	B	High
116	Moulting	16,267	524	C	High
117	Physiology	16,064	518	B	High
118	List of domesticated animals	16,063	518	List	Mid
119	Order (taxonomy)	15,955	514	C	High
120	Natural selection	15,833	510	GA	Top
121	De-extinction	15,705	506	C	Mid
122	Thalassemia	15,539	501	B	Mid
123	Botany	15,467	498	GA	High
124	American Museum of Natural History	15,281	492	B	Unknown
125	Cosmopolitan distribution	15,262	492	Start	Mid
126	Living fossil	15,230	491	C	Mid
127	Genetics	15,227	491	FA	Top
128	Human feces	15,169	489	C	High
129	Neoteny	15,139	488	B	Low
130	Extant taxon	15,139	488	Redirect	NA
131	Antonie van Leeuwenhoek	15,101	487	B	High
132	History of life	15,086	486	GA	Top
133	Blood pressure	15,007	484	B	Low
134	Microorganism	14,933	481	GA	Top
135	Symbiosis	14,813	477	GA	Mid
136	Anger	14,787	477	B	Mid
137	Jagadish Chandra Bose	14,744	475	B	Mid
138	Germ theory of disease	14,715	474	C	Low
139	Ambidexterity	14,671	473	Start	Low
140	Race and intelligence	14,663	473	C	Mid
141	Secondary sex characteristic	14,645	472	C	Mid
142	Homeostasis	14,566	469	C	High
143	Kiran Mazumdar-Shaw	14,539	469	B	Low
144	Lymph node	14,516	468	C	Mid
145	List of causes of death by rate	14,400	464	List	Low
146	Domestication	14,395	464	GA	Mid
147	Intelligence	14,333	462	B	High
148	Adolescent sexuality	14,332	462	B	Mid
149	White blood cell	14,318	461	B	Mid
150	Galen	14,240	459	B	High
151	Defecation	14,213	458	C	Low
152	Old age	14,176	457	B	Mid
153	Unethical human experimentation in the United States	14,171	457	B	Low
154	Miscarriage	14,025	452	B	Mid
155	Human reproduction	13,817	445	C	High
156	Hadal zone	13,777	444	C	Mid
157	Ecology	13,776	444	GA	Top
158	Drake equation	13,760	443	B	High
159	Sororicide	13,694	441	C	Low
160	Unicellular organism	13,664	440	C	Low
161	Earliest known life forms	13,360	430	B	High
162	Halima Cissé	13,272	428	Start	Low
163	Humanoid	13,256	427	Start	Mid
164	John M. Jumper	13,022	420	Start	Low
165	Nail clubbing	12,940	417	C	Low
166	Hypothetical types of biochemistry	12,792	412	C	Low
167	Emergence	12,781	412	Start	Mid
168	Senescence	12,695	409	C	Mid
169	Preadolescence	12,393	399	Start	Mid
170	Natural history	12,323	397	C	High
171	Roger Payne	12,200	393	Start	Unknown
172	Benthic zone	12,152	392	C	Low
173	Biochemistry	11,935	385	C	High
174	Biological immortality	11,781	380	B	Top
175	Icelandic Phallological Museum	11,765	379	FA	Low
176	Adult	11,753	379	B	Mid
177	Astrobiology	11,740	378	B	High
178	Cultured meat	11,657	376	B	Mid
179	Father	11,500	370	C	Mid
180	Chirality	11,451	369	B	Mid
181	Breast milk	11,449	369	C	Mid
182	Bipedalism	11,413	368	B	Mid
183	Nobel Prize in Physiology or Medicine	11,408	368	B	High
184	Jared Diamond	11,292	364	B	Mid
185	Commensalism	11,256	363	C	Mid
186	Life on Mars	11,253	363	B	Mid
187	Stromatolite	11,216	361	B	Mid
188	Recruitment (biology)	11,194	361	Start	Low
189	Natural History Museum, London	11,126	358	C	Mid
190	Francis Crick	11,125	358	B	High
191	Reproduction	10,995	354	B	High
192	Biological warfare	10,865	350	B	Mid
193	Zoology	10,778	347	B	Top
194	Ronald Fisher	10,760	347	B	High
195	Habitable zone	10,732	346	B	Low
196	Fauna	10,592	341	C	High
197	The Selfish Gene	10,581	341	B	Mid
198	Bioinformatics	10,571	341	C	Low
199	Crying	10,503	338	C	Low
200	Bret Weinstein	10,500	338	C	Low
201	Alfred Russel Wallace	10,458	337	FA	High
202	Basal metabolic rate	10,454	337	C	Mid
203	Panspermia	10,450	337	B	Low
204	Nettie Stevens	10,329	333	B	Mid
205	Human–animal hybrid	10,319	332	C	Low
206	Littoral zone	10,216	329	Start	Mid
207	Mother	10,170	328	C	High
208	Mutation	10,102	325	B	Top
209	Ageing	10,042	323	B	High
210	Morphology (biology)	9,985	322	C	Low
211	Lordosis behavior	9,930	320	C	Low
212	Taylor's law	9,834	317	B	Low
213	Toddler	9,819	316	Start	Mid
214	Molecular biology	9,722	313	B	Top
215	Hematophagy	9,691	312	C	Mid
216	Sibling	9,688	312	C	Mid
217	Ovulation	9,608	309	B	Mid
218	Biology and sexual orientation	9,524	307	C	Mid
219	Keystone species	9,420	303	GA	Low
220	Ethology	9,406	303	B	High
221	Phosphene	9,371	302	C	Mid
222	Robert Koch	9,370	302	C	High
223	Immortalised cell line	9,296	299	C	Mid
224	Embryo	9,225	297	B	Mid
225	Colossal Biosciences	9,216	297	Start	Unknown
226	Insemination	9,140	294	C	Mid
227	Nerve	9,066	292	C	High
228	Closed-eye hallucination	9,062	292	C	Low
229	Torpor	9,051	291	C	Mid
230	Scientific law	9,009	290	C	Mid
231	Preterm birth	9,009	290	C	High
232	Shyamala Gopalan Harris	8,990	290	C	Low
233	Selective breeding	8,987	289	C	Mid
234	Subcutaneous tissue	8,945	288	Start	Low
235	CRISPR gene editing	8,827	284	B	Top
236	Robin Wall Kimmerer	8,824	284	C	Low
237	Acedia	8,772	282	Start	Low
238	Sequential hermaphroditism	8,631	278	B	Low
239	Goose bumps	8,480	273	Start	Mid
240	List of life sciences	8,461	272	List	Mid
241	Prednisolone	8,434	272	C	Mid
242	Flora	8,384	270	C	High
243	Composition of the human body	8,338	268	C	Mid
244	Birth	8,325	268	C	Mid
245	Polyphenol	8,325	268	Start	Low
246	Sex differences in humans	8,288	267	C	High
247	Lynn Margulis	8,279	267	B	High
248	Three-domain system	8,162	263	C	High
249	Biosphere	8,085	260	C	Top
250	Senicide	8,083	260	C	Mid
251	Lists of organisms by population	8,047	259	List	Low
252	Introduced species	8,045	259	B	Low
253	Violence	8,039	259	B	Mid
254	Floater	8,033	259	B	Low
255	Microscope	7,923	255	C	High
256	Animal suicide	7,921	255	C	Mid
257	Wildlife	7,903	254	C	High
258	Plastination	7,872	253	C	Mid
259	Abyssal zone	7,789	251	Start	Low
260	Smallest organisms	7,759	250	C	Mid
261	Coolidge effect	7,747	249	Start	Low
262	Gravidity and parity	7,706	248	C	Mid
263	Cryopreservation	7,688	248	C	Low
264	Single parent	7,621	245	B	Mid
265	Ectotherm	7,620	245	Start	Mid
266	Lists of animals	7,587	244	List	High
267	Vitalism	7,586	244	B	High
268	Protein folding	7,535	243	C	Low
269	Native American disease and epidemics	7,517	242	C	Mid
270	Genetic code	7,469	240	GA	Top
271	Polycephaly	7,456	240	B	Mid
272	Melanism	7,427	239	C	Low
273	Marine life	7,424	239	B	High
274	Catgut	7,374	237	C	Low
275	Male pregnancy	7,290	235	B	Low
276	Venki Ramakrishnan	7,286	235	B	Mid
277	Forced fatherhood	7,284	234	Start	Mid
278	Thermoregulation	7,278	234	C	Mid
279	Monosaccharide	7,260	234	C	High
280	Tradition	7,237	233	B	Mid
281	Free energy principle	7,229	233	C	Low
282	Macrophage	7,214	232	B	Low
283	Caenorhabditis elegans	7,165	231	GA	Top
284	Lordosis	7,124	229	C	Low
285	Competition	7,095	228	C	Top
286	DNA and RNA codon tables	7,059	227	FL	High
287	He Jiankui affair	7,020	226	C	High
288	Infant mortality	7,019	226	C	Mid
289	Theophrastus	6,932	223	C	High
290	Male lactation	6,913	223	C	Low
291	RNA world	6,853	221	C	Mid
292	Life extension	6,809	219	B	Mid
293	Hypercarnivore	6,791	219	Start	Low
294	Thomas N. Seyfried	6,769	218	Start	Low
295	Abyssal plain	6,747	217	GA	Low
296	Desiccation	6,675	215	C	Low
297	Visual perception	6,645	214	C	Low
298	Square–cube law	6,579	212	Start	Mid
299	Human voice	6,555	211	B	Mid
300	Albert Bourla	6,537	210	C	Low
301	Gestation	6,472	208	Start	Mid
302	Human overpopulation	6,462	208	C	Low
303	Biological agent	6,435	207	Start	Mid
304	Marine biology	6,421	207	C	High
305	Body shape	6,393	206	C	Low
306	Virus classification	6,344	204	C	High
307	Thanatology	6,341	204	Start	Low
308	Birth rate	6,293	203	C	Mid
309	Alar Karis	6,269	202	Start	Low
310	Kindness	6,268	202	Start	Mid
311	Armstrong limit	6,209	200	C	Low
312	Aestivation	6,195	199	C	High
313	Violence against Muslims in India	6,138	198	B	Mid
314	Touch starvation	6,129	197	C	Unknown
315	Evolution of sexual reproduction	6,119	197	B	Mid
316	Electroreception and electrogenesis	6,068	195	GA	Low
317	Tooth	6,046	195	B	Low
318	J. Craig Venter	6,044	194	C	Mid
319	Extraterrestrial intelligence	6,013	193	Start	Low
320	Color vision	6,012	193	B	High
321	Exponential growth	5,997	193	B	Low
322	Sneeze	5,991	193	C	Low
323	Host (biology)	5,985	193	GA	High
324	J. B. S. Haldane	5,964	192	C	Low
325	Teenager (word)	5,953	192	C	Low
326	List of Nobel laureates in Physiology or Medicine	5,866	189	FL	High
327	Stress (biology)	5,854	188	C	High
328	Life on Venus	5,805	187	C	Mid
329	Courtship display	5,803	187	C	Low
330	Boring Billion	5,802	187	GA	Low
331	Heritability of IQ	5,794	186	B	Low
332	List of organisms by chromosome count	5,768	186	List	Low
333	List of animals displaying homosexual behavior	5,751	185	List	Low
334	Human sex pheromones	5,731	184	Start	Low
335	Evolutionary biology	5,716	184	C	Top
336	Biological specificity	5,710	184	Start	Mid
337	Djungelskog	5,705	184	Start	Low
338	Viscera	5,679	183	Redirect	NA
339	Georges Cuvier	5,666	182	B	High
340	Linnaean taxonomy	5,665	182	C	Top
341	Gerontology	5,638	181	B	Mid
342	Afterimage	5,523	178	C	Low
343	Har Gobind Khorana	5,494	177	C	High
344	Homogeneity and heterogeneity	5,460	176	C	Mid
345	Root	5,452	175	B	Mid
346	Microbiology	5,445	175	C	Mid
347	Howard Hughes Medical Institute	5,431	175	C	Mid
348	Orphan	5,403	174	C	High
349	Relict (biology)	5,372	173	C	Low
350	Postprandial somnolence	5,351	172	Start	Low
351	In vitro	5,334	172	C	Mid
352	Population (human biology)	5,328	171	Start	Unknown
353	Excretion	5,298	170	Start	High
354	Disease vector	5,274	170	Start	Low
355	First universal common ancestor	5,182	167	B	Low
356	Common descent	5,180	167	B	High
357	Offspring	5,175	166	Start	Mid
358	Endosex	5,159	166	C	Low
359	Age-of-consent reform in the United Kingdom	5,118	165	C	Low
360	Development of the human body	5,117	165	C	High
361	Recreational drug use in animals	5,103	164	C	Low
362	Biostasis	5,081	163	C	Unknown
363	List of unusual biological names	5,079	163	List	Mid
364	Toxicology	5,076	163	C	High
365	Colossal Biosciences dire wolf project	5,074	163	B	Mid
366	Magnetoreception	5,070	163	GA	Mid
367	Sexual characteristics	5,003	161	Start	Low
368	Child development stages	4,928	158	List	High
369	Entoptic phenomenon	4,904	158	C	Low
370	Cell biology	4,902	158	C	High
371	Symmetry in biology	4,895	157	C	High
372	Animal testing	4,890	157	GA	Mid
373	Motility	4,884	157	Start	Low
374	Lepidopterology	4,868	157	C	Low
375	Female promiscuity	4,852	156	C	Low
376	Synanthrope	4,838	156	Start	Low
377	Paul Nurse	4,787	154	C	Mid
378	Parent	4,775	154	C	Mid
379	Electroejaculation	4,771	153	Start	Low
380	List of human hormones	4,758	153	List	Mid
381	Anthropometry	4,756	153	C	Low
382	Bioethics	4,746	153	Start	Mid
383	William Harvey	4,744	153	C	High
384	Neural circuit	4,693	151	C	Low
385	Ocular dominance	4,687	151	Start	Low
386	Kleiber's law	4,686	151	C	Mid
387	Enteric fever	4,678	150	C	Low
388	Detritus	4,668	150	C	Mid
389	Stigmergy	4,643	149	C	Low
390	Alerce Milenario	4,598	148	Start	Low
391	Superorganism	4,583	147	B	Mid
392	Biomimetics	4,564	147	C	High
393	Zoo hypothesis	4,564	147	Start	Unknown
394	Barbara McClintock	4,555	146	FA	Mid
395	Pair bond	4,533	146	Start	Mid
396	Neoteny in humans	4,472	144	C	Low
397	Biological engineering	4,471	144	C	High
398	Dissection	4,457	143	B	High
399	Autotomy	4,451	143	C	Mid
400	Plant reproductive morphology	4,444	143	C	Low
401	Jeremy Griffith	4,416	142	B	Unknown
402	Bioreactor	4,403	142	C	Low
403	Janaki Ammal	4,388	141	B	Low
404	Artificial womb	4,380	141	B	Low
405	Vaginal flatulence	4,353	140	Stub	Low
406	Parenchyma	4,347	140	Start	Mid
407	Mebendazole	4,320	139	C	Mid
408	Purple Earth hypothesis	4,282	138	Start	Low
409	Implantation (embryology)	4,274	137	B	Mid
410	Helen Macdonald (writer)	4,232	136	C	Low
411	Desmond Morris	4,231	136	C	Low
412	Artificial life	4,226	136	B	Mid
413	Life on Titan	4,222	136	B	Low
414	History of malaria	4,218	136	GA	High
415	Mesopelagic zone	4,203	135	C	Mid
416	Warm-blooded	4,187	135	C	Mid
417	Haidinger's brush	4,181	134	C	Low
418	Sexual maturity	4,163	134	Start	Mid
419	Bya	4,144	133	Stub	Low
420	Non-cellular life	4,142	133	Start	Mid
421	Parabiosis	4,129	133	C	Mid
422	Life support	4,108	132	Start	Mid
423	Biophysics	4,090	131	C	Mid
424	Frances Arnold	4,061	131	B	High
425	Pseudohermaphroditism	4,000	129	Start	Unknown
426	List of unsolved problems in biology	4,000	129	List	Mid
427	Neurotransmission	3,985	128	C	Mid
428	Hearing	3,975	128	C	Low
429	Embryology	3,966	127	C	Mid
430	Food safety	3,957	127	C	Mid
431	Marie Goldsmith	3,951	127	GA	Unknown
432	Beta thalassemia	3,950	127	B	Mid
433	Classification	3,919	126	C	Mid
434	Molecular machine	3,918	126	C	Mid
435	Blood cell	3,901	125	C	Mid
436	Biomechanics	3,899	125	C	High
437	Gastrulation	3,891	125	C	High
438	Catechin	3,891	125	Start	Mid
439	Quantum biology	3,886	125	C	High
440	Human microbiome	3,868	124	B	Mid
441	Folding@home	3,862	124	B	Mid
442	Whistling	3,846	124	C	Mid
443	Thermal comfort	3,796	122	B	Low
444	List of extinction events	3,796	122	List	Mid
445	List of mammals displaying homosexual behavior	3,785	122	List	Mid
446	Hormesis	3,749	120	Start	Low
447	Biology of romantic love	3,743	120	Start	Low
448	Biological life cycle	3,737	120	C	High
449	Organ (anatomy)	3,714	119	Redirect	NA
450	Recapitulation theory	3,713	119	C	Mid
451	Biological Weapons Convention	3,713	119	B	Low
452	Xenophilia	3,694	119	Start	Low
453	Babies switched at birth	3,687	118	Start	Low
454	Ukraine bioweapons conspiracy theory	3,678	118	Start	Low
455	Binocular vision	3,642	117	Start	Low
456	Gonochorism	3,633	117	Start	Low
457	Semelparity and iteroparity	3,602	116	C	Low
458	Dormancy	3,582	115	C	High
459	Outline of life forms	3,580	115	List	Mid
460	Ribose	3,547	114	B	High
461	Mid-20th-century baby boom	3,544	114	C	Mid
462	Dryland farming	3,541	114	C	Low
463	Mathematical and theoretical biology	3,517	113	C	High
464	Baby boom	3,514	113	Start	Low
465	Koch's postulates	3,510	113	C	Mid
466	Telegony (inheritance)	3,500	112	C	Low
467	Luigi Galvani	3,489	112	Start	Mid
468	History of evolutionary thought	3,465	111	FA	High
469	The Voyage of the Beagle	3,457	111	Start	Unknown
470	Dürer's Rhinoceros	3,457	111	FA	Low
471	Xenobot	3,457	111	Start	Low
472	Model organism	3,451	111	B	Mid
473	Sister	3,427	110	Start	Low
474	Linnean Society of London	3,406	109	B	High
475	Sterile insect technique	3,395	109	C	Low
476	Communication with extraterrestrial intelligence	3,371	108	C	Low
477	Brother	3,340	107	C	Mid
478	Pain in fish	3,333	107	B	Unknown
479	Homosexual behavior in sheep	3,297	106	C	Low
480	Animal embryonic development	3,269	105	C	Mid
481	Biological process	3,238	104	Start	High
482	Blastocyst	3,233	104	C	Low
483	Aristotle's biology	3,233	104	GA	High
484	Abiotic component	3,211	103	Start	Low
485	Dioscorides	3,210	103	Start	Mid
486	Biogeography	3,209	103	Start	Mid
487	Amorphous globosus	3,200	103	Start	Low
488	Flow cytometry	3,197	103	C	Low
489	Anastomosis	3,184	102	C	Low
490	Systema Naturae	3,176	102	C	High
491	Cat predation on wildlife	3,160	101	C	Low
492	INaturalist	3,155	101	C	Mid
493	Endogeny (biology)	3,130	100	Stub	Low
494	Tribe (taxonomy)	3,126	100	Start	Mid
495	Sex ratio	3,110	100	Start	Mid
496	Masha and Dasha Krivoshlyapova	3,110	100	C	Mid
497	David Baltimore	3,101	100	B	Unknown
498	Blind spot (vision)	3,089	99	Start	Low
499	Euryhaline	3,082	99	Start	Low
500	Transitional fossil	3,080	99	GA	High