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18,621 results for “development;”
Figure 9 in Larvae and first-stage juveniles of the American genus Armases Abele, 1992 (Brachyura: Sesarmidae): a morphological description of two complete developments and one first zoeal stage
Figure 9. Armases roberti, first maxilliped. (a) Zoea I; (b) zoea III, endopod; (c) zoea IV; (d) megalopa; (e) first crab. Scale bars: 0.1 mm.
Figure 13 in Larvae and first-stage juveniles of the American genus Armases Abele, 1992 (Brachyura: Sesarmidae): a morphological description of two complete developments and one first zoeal stage
Figure 13. (a, c–i) Armases roberti, megalopa: (a) sternum; (c) pereiopod 1; (d–h) dactyl, pereiopods 2–5; (i) coxa, pereiopod 3; (j) A. roberti, first crab, dactyl, pereiopod 5. Scale bars: 0.3 mm (a–c); 0.075 mm (d–g, j); 0.02 mm (i).
Figure 4 in Larvae and first-stage juveniles of the American genus Armases Abele, 1992 (Brachyura: Sesarmidae): a morphological description of two complete developments and one first zoeal stage
Figure 4. Armases roberti. (a–f) Antenna: (a) zoea I; (b) zoea II; (c) zoea III; (d) zoea IV; (e) megalopa; (f) first crab. (g) Mandibular palp, megalopa. Scale bars: 0.05 mm.
Figure 7 in Larvae and first-stage juveniles of the American genus Armases Abele, 1992 (Brachyura: Sesarmidae): a morphological description of two complete developments and one first zoeal stage
Figure 7. Armases roberti, maxilla. (a) Zoea I, with a detail of the distal lobe of the coxal endite; (b) zoea II; (c) zoea III, with a detail of the distal lobe of the coxal endite; (d) zoea IV. Scale bar: 0.05 mm.
Figure 2 in Larvae and first-stage juveniles of the American genus Armases Abele, 1992 (Brachyura: Sesarmidae): a morphological description of two complete developments and one first zoeal stage
Figure 2. Armases roberti, carapace. (a) Megalopa, lateral view; (b) megalopa, dorsal view; (c) first crab, dorsal view, with detail of the anterolateral margin. Scale bars: 0.5 mm.
Figure 10 in Larvae and first-stage juveniles of the American genus Armases Abele, 1992 (Brachyura: Sesarmidae): a morphological description of two complete developments and one first zoeal stage
Figure 10. Armases roberti, second maxilliped. (a) Zoea I; (b) zoea IV; (c) megalopa; (d) first crab. Scale bars: 0.1 mm.
Figure 1 in Larvae and first-stage juveniles of the American genus Armases Abele, 1992 (Brachyura: Sesarmidae): a morphological description of two complete developments and one first zoeal stage
Figure 1. Armases roberti, carapace, lateral view. (a) Zoea I; (b) zoea II; (c) zoea III; (d) zoea IV. Scale bar: 0.4 mm.
Figure 5 in Larvae and first-stage juveniles of the American genus Armases Abele, 1992 (Brachyura: Sesarmidae): a morphological description of two complete developments and one first zoeal stage
Figure 5. Armases roberti, maxillule. (a) Zoea I; (b) zoea II; (c) zoea III; (d) zoea IV. Scale bar: 0.05 mm.
Figure 3 in Larvae and first-stage juveniles of the American genus Armases Abele, 1992 (Brachyura: Sesarmidae): a morphological description of two complete developments and one first zoeal stage
Figure 3. Armases roberti, antennule. (a) Zoea I; (b) zoea II; (c) zoea III; (d) zoea IV; (e) megalopa; (f) first crab. Scale bar: 0.05 mm.
Data from: Environmental conditions during development affect sexual selection through trait-fitness relationships
<p>Sexual selection can be shaped by spatial variation in environmental features among populations. Differences in sexual selection among populations generated through the effects of the environment could be shaped via four paths: differences in mean absolute fitness, differences in the means or variances of phenotypes, or differences in the absolute fitness-trait function relationship. Because sexual selection only occurs during the adult life stage, most studies have focused on identifying environmental features that influence these metrics of fitness and trait distributions among adults. However, these adult features could also be affected by environmental factors experienced in early life stages that then shape the trajectory for sexual selection during the adult life stage. Here we investigated how among-population variation in environmental conditions during the juvenile (larval) stage of two species of <i>Enallagma</i> damselflies shapes sexual selection on male body size. We found that environmental factors related to predation pressures, lake primary productivity, and habitat availability have a role in shaping spatial variation in sexual selection. This acts mainly through how the environment affects absolute fitness-body size associations, not spatial variation in mean fitness or body size means and variances. These results demonstrate that the underpinnings of sexual selection in the wild can arise from environmental conditions during pre-reproductive life stages.</p>
Figure 6. Pandalus gracilis Stimpson, stage 5 in Larval development of Pandalus gracilis Stimpson (Crustacea: Decapoda: Pandalidae) reared in the laboratory
Figure 6. Pandalus gracilis Stimpson, stage 5. (A) Dorsal view (scale bar: ab); (B) lateral view (ab); (C) antennule (ad); (D) antenna (ad); (E) mandibles (ae); (F) maxillule (ae); (G) maxilla (ae); (H) first maxilliped (ae); (I) second maxilliped (ae); (J) third maxilliped (ad); (K–O) left pereiopods 1–5 (ac); (P–T) pleopods 1–5 (ae); (U) telson (ac). Scale bars: 2 mm.
Figure 2. Pandalus gracilis Stimpson, stage 1 in Larval development of Pandalus gracilis Stimpson (Crustacea: Decapoda: Pandalidae) reared in the laboratory
Figure 2. Pandalus gracilis Stimpson, stage 1. (A) Dorsal view (scale bar: ab); (B) lateral view (ab); (C) antennule (ad); (D) antenna (ad); (E) mandibles (ae); (F) maxillule (ae); (G) maxilla (ae); (H) first maxilliped (ae); (I) second maxilliped (ae); (J) third maxilliped (ad); (K) right pereiopod 2 (ac); (L–P) left pereiopods 1–5 (ac); (Q) telson (ac). Scale bars: 1 mm.
Figure 1 in Larval development of Pandalus gracilis Stimpson (Crustacea: Decapoda: Pandalidae) reared in the laboratory
Figure 1. Pandalus gracilis Stimpson. Survival and duration of larval stages reared under laboratory conditions of 15°C and 33.7‰.
Figure 4. Pandalus gracilis Stimpson, stage 3 in Larval development of Pandalus gracilis Stimpson (Crustacea: Decapoda: Pandalidae) reared in the laboratory
Figure 4. Pandalus gracilis Stimpson, stage 3. (A) Dorsal view (scale bar: ab); (B) lateral view (ab); (C) antennule (ad); (D) antenna (ad); (E) mandibles (ae); (F) maxillule (ae); (G) maxilla (ae); (H) first maxilliped (ae); (I) second maxilliped (ae); (J) third maxilliped (ad); (K–O) left pereiopods 1–5 (ac); (P–T) pleopods 1–5 (ae); (U) telson (ac). Scale bars: 2 mm.
Figure 5. Pandalus gracilis Stimpson, stage 4 in Larval development of Pandalus gracilis Stimpson (Crustacea: Decapoda: Pandalidae) reared in the laboratory
Figure 5. Pandalus gracilis Stimpson, stage 4. (A) Dorsal view (scale bar: ab); (B) lateral view (ab); (C) antennule (ad); (D) antenna (ad); (E) mandibles (ae); (F) maxillule (ae); (G) maxilla (ac); (H) first maxilliped (ae); (I) second maxilliped (ae); (J) third maxilliped (ad); (K–O) left pereiopods 1–5 (ac); (P–T) pleopods 1–5 (ae); (U) telson (ac). Scale bars: 2 mm.
Figure 3. Pandalus gracilis Stimpson, stage 2 in Larval development of Pandalus gracilis Stimpson (Crustacea: Decapoda: Pandalidae) reared in the laboratory
Figure 3. Pandalus gracilis Stimpson, stage 2. (A) Dorsal view (scale bar: ab); (B) lateral view (ab); (C) antennule (ac); (D) antenna (ac); (E) mandibles (ad); (F) maxillule (ad); (G) maxilla (ad); (H) first maxilliped (ad); (I) second maxilliped (ad); (J) third maxilliped (ac); (K–O) left pereiopods 1–5 (ac); (P) telson (ac). Scale bars: 1 mm.
Timing of increased temperature sensitivity coincides with nervous system development in winter moth embryos
<p>Climate change is rapidly altering the environment and many species will need to genetically adapt their seasonal timing to keep up with these changes. Insect development rate is largely influenced by temperature, but we know little about the mechanisms underlying temperature sensitivity of development. Here we investigate seasonal timing of egg hatching in the winter moth, one of the few species which has been found to genetically adapt to climate change, likely through selection on temperature sensitivity of egg development rate. To study when during development winter moth embryos are most sensitive to changes in ambient temperature, we gave eggs an increase or decrease in temperature at different moments during their development. We measured their developmental progression and timing of egg hatching, and used fluorescence microscopy to construct a timeline of embryonic development for the winter moth. We found that egg development rate responded more strongly to temperature once embryos were in the fully extended germband stage. This is the phylotypic stage at which all insect embryos have developed a rudimentary nervous system. Furthermore, at this stage timing of ecdysone signaling determines developmental progression, which could act as an environment dependent gateway. Intriguingly, this may suggest that, from the phylotypic stage onward, insect embryos can start to integrate internal and environmental stimuli to actively regulate important developmental processes. As we found evidence that there is genetic variation for temperature sensitivity of egg development rate in our study population, such regulation could be a target of selection imposed by climate change.</p>
Developer-Centric Test Amplification: The Interplay Between Automatic Generation and Human Exploration --- Appendix
<p>This online appendix contains the accumulated code occurences during the interviews performed to evaluate our developer-centric test amplification approach and the TestCube plugin. In addition, it documents the inter-rater-reliability analysis we performed.</p>
Fig. 14 in Larval external morphology and development in Feihyla kajau (Dring, 1983) (Amphibia: Anura: Rhacophoridae)
Fig. 14. Mean number of days in each developmental stage (between Stages 26 and 41) in Feihyla kajau.
Fig. 12 in Larval external morphology and development in Feihyla kajau (Dring, 1983) (Amphibia: Anura: Rhacophoridae)
Fig. 12. Morphological changes of Feihyla kajau tadpole at Stage 42 in lateral (top) and dorsal (bottom) views.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.