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2,291 results for “life history”
Figure 7 in Life History of Western Ghats endemic and threatened Anuran - Matheran leaping frog, (Indirana leithii) with notes on its feeding preferences
Figure 7. Eggs of Indirana leithii (a) under the loose rock and (b) laid inside the crevice showing Stage 22 and 23.
Figure 10 in Life History of Western Ghats endemic and threatened Anuran - Matheran leaping frog, (Indirana leithii) with notes on its feeding preferences
Figure 10. Tadpole stages. (a) Stage 25. (b–g) Stages between 31 and 38. (h, i) stages between 39 and 41. (j) Stage 42 (Stages from Gosner 1960). Red arrow indicates hind limb bud. Picture credit Angad Joshi.
Figure 1 in Life History of Western Ghats endemic and threatened Anuran - Matheran leaping frog, (Indirana leithii) with notes on its feeding preferences
Figure 1. Study area and habitat of the species. (a) Distant shot of part of Matheran Hill. (b) Narrow gauge railway track passing along the cliff faces. (c) Tadpole on the wet cliff covered with algae. (d) Adult sitting in the crevice (this crevice contained fertilized eggs).
Figure 7 in Life history of Subulina octona (Brugüière) (Gastropoda: Pulmonata: Subulinidae) based on four-year laboratory observations and a comparative histological analysis of egg-retaining and ovoviviparous subulinids
Figure 7. Egg production of Subulina octona. (a) Mean number of eggs per reproductive event; (b) mean shell height and mean number of eggs produced.
Figure 3 in Life history of Subulina octona (Brugüière) (Gastropoda: Pulmonata: Subulinidae) based on four-year laboratory observations and a comparative histological analysis of egg-retaining and ovoviviparous subulinids
Figure 3. Histological sections of the free-oviduct of the subulinid species Subulina octona (a,b); Allopeas gracile (c); Allopeas micra (d) and Leptinaria unilamellata (e,f). Black asterisk, oviduct lumen; white asterisk: underlying connective tissue.
Figure 4 in Life history of Subulina octona (Brugüière) (Gastropoda: Pulmonata: Subulinidae) based on four-year laboratory observations and a comparative histological analysis of egg-retaining and ovoviviparous subulinids
Figure 4. Histological sections showing the bursa copulatrix and prostate of the subulinid species Allopeas gracile (a–c); Subulina octona (d–f); and Leptinaria unilamellata (g,h). Black asterisk, bursa copulatrix lumen; white asterisk: prostate.
Figure 1 in Life history of Subulina octona (Brugüière) (Gastropoda: Pulmonata: Subulinidae) based on four-year laboratory observations and a comparative histological analysis of egg-retaining and ovoviviparous subulinids
Figure 1. Morphology of the reproductive system of Subulina octona. (a) Shelled embryo; (b) prostate; (c) free-oviduct; (d) epithelia and basal membrane of the free-oviduct; (e) eggshell; (f,g) bursa copulatrix; (h) general view of the reproductive apparatus; (i, j) general view of the body, showing the spermoviduct which occupies the body whorl and the penultimate whorl of the shell. es, egg shell; eg, egg; se, shelled embryo; sov, spermoviduct; pr, prostate; bc, bursa copulatrix; fo, free-oviduct; pc, penial complex.
Figure 2 in Life history of Subulina octona (Brugüière) (Gastropoda: Pulmonata: Subulinidae) based on four-year laboratory observations and a comparative histological analysis of egg-retaining and ovoviviparous subulinids
Figure 2. Histological sections of the spermoviduct and egg of the subulinid species Allopeas micra (a,b); Allopeas gracile (c–e); Leptinaria unilamellata (f) and Subulina octona (g,h). SC, secretory cells; black arrow, calcified egg shell; black asterisk, secretory cells; white asterisk, egg with non-calcified egg shell.
Figure 5 in Life history of Subulina octona (Brugüière) (Gastropoda: Pulmonata: Subulinidae) based on four-year laboratory observations and a comparative histological analysis of egg-retaining and ovoviviparous subulinids
Figure 5. Histological sections showing the spermatheca (indicated by black arrows) of the subulinid species Allopeas micra (a); Subulina octona (b); Allopeas gracile (c) and Leptinaria unilamellata (d).
Figure 6 in Life history of Subulina octona (Brugüière) (Gastropoda: Pulmonata: Subulinidae) based on four-year laboratory observations and a comparative histological analysis of egg-retaining and ovoviviparous subulinids
Figure 6. Growth and mortality of Subulina octona during juvenile, adult and senescent stages. (a) Mean shell height; (b) survival. (c) growth rate.
Figure 11 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 11. Monthly distribution of body sizes (snout-vent length, SVL) of 126 males, 128 females, 44 juveniles, and 11 metamorphoslings (four legs with a tail) of the Rio Grande leopard frog (Lithobates berlandieri) from Texas (USA).
Figure 9 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 9. Geographic variation in sexual-size dimorphism (SSD) in the Rio Grande leopard frog (Lithobates berlandieri) from Texas (USA) across latitude (a) and longitude (b). We calculated the SSD from counties that had at least two adult specimens of each sex using the Lovich and Gibbons (1992) index. Sample sizes to calculate mean snout-vent length (SVL) of males and females from each county were: Bexar (F = 36, M = 24); Brewster (F = 3, M = 2); Cameron (F = 41, M = 28); Glasscock (F = 4, M = 15); Hidalgo (F = 6, M = 7); Hudspeth (F = 2, M = 2); Irion (F = 5, M = 13); and Uvalde (F = 13, M = 17).
Figure 8 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 8. The relationship between body size (snout-vent length, SVL) and latitude (a) and longitude (b) in the Rio Grande leopard frog (Lithobates berlandieri) from Texas (USA). We selected the largest SVL from each county that had at least one adult specimen of each sex, which resulted in 30 specimens (15 males and 15 females) from 15 counties: Atascosa, Bexar, Brewster, Cameron, Coke, Concho, Glasscock, Hidalgo, Hudspeth, Irion, Jeff Davis, Kendall, Presidio, Regan and Uvalde.
Figure 10 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 10. Frequency of extensive fat and the presence of food in each of the four ovarian stages of 98 female Rio Grande leopard frogs (Lithobates berlandieri) from Texas (USA). See text for details on reproductive stages.
Figure 5 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 5. Monthly frequency of extensive fat in the body cavity and the presence of food in the stomach for 104 male (a) and 98 female (b) Rio Grande leopard frogs (Lithobates berlandieri) from Texas (USA).
Figure 6 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 6. Monthly ovarian cycle of 101 female Rio Grande leopard frogs (Lithobates berlandieri) from Texas (USA). See text for details on reproductive stages.
Figure 7 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 7. The relationship between clutch size and body size (snout-vent length, SVL) in 15 female Rio Grande leopard frogs (Lithobates berlandieri) from Texas (USA). Grey shading indicates a 95% confidence interval.
Figure 4 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 4. Monthly distribution of testis length and width as a percentage of body size in 92 male Rio Grande leopard frogs (Lithobates berlandieri) from Texas (USA).
Figure 3 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 3. Distribution of body sizes presented as violin plots for 128 female and 126 male Rio Grande leopard frogs (Lithobates berlandieri) from Texas (USA). Dashed line indicates the sample mean.
Figure 2 in Life history of the Rio Grande leopard frog (Lithobates berlandieri) in Texas
Figure 2. Monthly incidence of captures for 540 specimens (a) and our sample of 310 specimens (b) of the Rio Grande leopard frog (Lithobates berlandieri) from Texas (USA). Specimen records originate from three collections: USNM, UTEP and CM. See text for details on museums.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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