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"name": "Comment identifier la sympatrie chez les espèces ?",
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"text": "L'observation des habitats et des comportements des espèces permet d'identifier la sympatrie."
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{
"@type": "Question",
"name": "Quels outils sont utilisés pour étudier la sympatrie ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des études génétiques et des analyses de niche écologique sont couramment utilisées."
}
},
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"@type": "Question",
"name": "La sympatrie peut-elle être observée chez les mammifères ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, de nombreuses espèces de mammifères peuvent coexister en sympatrie dans un même habitat."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent une sympatrie chez les oiseaux ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'observation de plusieurs espèces d'oiseaux se nourrissant ou nidifiant dans la même zone est un signe."
}
},
{
"@type": "Question",
"name": "Comment la sympatrie est-elle mesurée ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle est mesurée par des indices de diversité et des analyses de distribution des espèces."
}
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{
"@type": "Question",
"name": "Quels symptômes indiquent une compétition en sympatrie ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une diminution des ressources et des changements de comportement peuvent être observés."
}
},
{
"@type": "Question",
"name": "La sympatrie cause-t-elle des maladies ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, la sympatrie en elle-même ne cause pas de maladies, mais peut influencer la santé des espèces."
}
},
{
"@type": "Question",
"name": "Quels signes de stress peuvent apparaître en sympatrie ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des comportements agressifs ou des changements alimentaires peuvent indiquer du stress."
}
},
{
"@type": "Question",
"name": "Les espèces en sympatrie montrent-elles des adaptations ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent développer des adaptations morphologiques ou comportementales pour coexister."
}
},
{
"@type": "Question",
"name": "Comment la sympatrie affecte-t-elle la reproduction ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle peut entraîner des mécanismes de sélection sexuelle pour éviter l'hybridation."
}
},
{
"@type": "Question",
"name": "Comment prévenir la perte de sympatrie ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "La protection des habitats naturels et la régulation des activités humaines sont essentielles."
}
},
{
"@type": "Question",
"name": "Quelles lois protègent la sympatrie ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des lois sur la conservation de la faune et des habitats protègent les espèces en sympatrie."
}
},
{
"@type": "Question",
"name": "Comment sensibiliser à la sympatrie ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des campagnes éducatives et des programmes de sensibilisation peuvent aider à préserver la biodiversité."
}
},
{
"@type": "Question",
"name": "Quel rôle jouent les ONG dans la sympatrie ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les ONG œuvrent pour la conservation des espèces et la protection des habitats en sympatrie."
}
},
{
"@type": "Question",
"name": "Comment les citoyens peuvent-ils aider ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les citoyens peuvent participer à des projets de conservation et signaler les espèces menacées."
}
},
{
"@type": "Question",
"name": "Y a-t-il des traitements pour les espèces en sympatrie ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements visent généralement à gérer les populations et à préserver la biodiversité."
}
},
{
"@type": "Question",
"name": "Comment gérer la compétition en sympatrie ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des stratégies de conservation et de gestion des habitats peuvent réduire la compétition."
}
},
{
"@type": "Question",
"name": "Les interventions humaines affectent-elles la sympatrie ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'urbanisation et l'agriculture peuvent perturber les habitats et la sympatrie."
}
},
{
"@type": "Question",
"name": "Quelles sont les stratégies de conservation en sympatrie ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "La création de réserves naturelles et la restauration des habitats sont des stratégies clés."
}
},
{
"@type": "Question",
"name": "Comment les zoos contribuent-ils à la sympatrie ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les zoos participent à la conservation des espèces et à l'éducation sur la biodiversité."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir en sympatrie ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des conflits interspécifiques et une pression sur les ressources peuvent survenir."
}
},
{
"@type": "Question",
"name": "La sympatrie entraîne-t-elle des hybridations ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la sympatrie peut favoriser l'hybridation entre espèces proches, affectant la biodiversité."
}
},
{
"@type": "Question",
"name": "Quels impacts sur l'écosystème en sympatrie ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "La sympatrie peut modifier les dynamiques écologiques et la structure des communautés."
}
},
{
"@type": "Question",
"name": "Comment la sympatrie affecte-t-elle la survie des espèces ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "La compétition accrue peut réduire les chances de survie de certaines espèces en sympatrie."
}
},
{
"@type": "Question",
"name": "Les maladies se propagent-elles en sympatrie ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la proximité des espèces peut faciliter la transmission de maladies entre elles."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent la sympatrie ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "La disponibilité des ressources et la diversité des habitats favorisent la sympatrie."
}
},
{
"@type": "Question",
"name": "Comment le changement climatique affecte-t-il la sympatrie ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le changement climatique peut modifier les habitats et influencer la sympatrie des espèces."
}
},
{
"@type": "Question",
"name": "Quels rôles jouent les prédateurs en sympatrie ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les prédateurs peuvent influencer la distribution et la coexistence des espèces en sympatrie."
}
},
{
"@type": "Question",
"name": "Les invasions biologiques affectent-elles la sympatrie ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les espèces envahissantes peuvent perturber les interactions en sympatrie et menacer les espèces natives."
}
},
{
"@type": "Question",
"name": "Quel impact a l'urbanisation sur la sympatrie ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'urbanisation peut fragmenter les habitats et réduire les opportunités de sympatrie."
}
}
]
}
]
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Quiescence, reversible cell cycle arrest, is essential for survival during nutrient limitations and the execution of precise developmental patterns. In yeast, entry into quiescence is associated with ...
This study aimed to systematically review epidemiological evidence on associations between screen time exposure and myopia in children and adolescents, and to quantitatively evaluate summary effect es...
There were three online databases including PubMed, Embase, and Web of Science, for epidemiological studies on screen time exposure and myopia published before June 1, 2023. The risk of bias was asses...
We searched 7,571 records from three databases and identified 19 eligible studies, including 14 high-quality studies and 5 moderate-quality studies. Meta-analyses suggested that there was a statistica...
Our findings support that screen time exposure was significantly associated with myopia in children and adolescents. Notably, screen time exposure from computers may have the most significant impact o...
to determine the prevalence of anxiety and depression symptoms, as well as their association with screen time, diet and physical activity, in a cohort comprised by nursing students....
a descriptive and cross-sectional study conducted with a sample of 648 Nursing students. The instruments used were the Hospital Anxiety and Depression Scale, the short version of the International Phy...
the prevalence values for anxiety and depression symptoms were 24.1% and 3.7%, respectively. Prolonged screen times (>6 hours a day), low levels of physical activity and inadequate diet were independe...
Nursing students' mental health might benefit from the implementation of initiatives promoting healthy lifestyles....
Screen time in young children is discouraged because of its negative effects on their development. However, excessive screen media use has been rising, particularly during the global pandemic when sta...
This is a cross-sectional study. Participants were 24 to 36 month old Filipino children recruited through non-probable convenience sampling from August to October 2021. Regression analyses were perfor...
Increased odds of excessive use of screen media of children by 4.19 when parents watch excessively and 8.56 times greater odds when children are alone compared to watching with a parent or other child...
The study found that spending no more than 2 h screen time had minimal negative effects on development and that use beyond 2 h was associated with poorer language development among 2 year olds. There ...
Subjective wellbeing is an important indicator of health outcomes in children. 24-hour movement behaviours (i.e., physical activity, sedentary behaviour, sleep and their combination), a set of modifia...
Cross-sectional data from primary and secondary school students in Anhui Province, China were used for the analysis. A total of 1098 study participants (mean age: 11.6 years, body mass index: 19.7 ± 2...
The compliance of (i.e., physical activity recommendations, screen time recommendations and sleep recommendations) 24-h movement guidelines was associated with better subjective wellbeing (OR: 2.09; 9...
This study found that the compliance of 24-h movement guidelines was associated with greater subjective wellbeing in Chinese children....
Children and adolescents were largely affected by the psychosocial impact of the 2019-2022 pandemic. During this time, there was an increase in internalizing symptoms, screen and internet use, and int...
Children spend a significant amount of time engaging in sedentary behaviors, defined as activities that do not increase energy expenditure significantly above resting levels, such as watching TV and p...
This cross-sectional correlation study uses 1,163 parents and their children data from the 12th Panel Survey of Korean Children. The study instruments were a modified Armsden and Greenberg scale of pa...
Study results show a negative association between father-child attachment and children's screen time (ß = -0.43, p < .001) and a positive association between father-child attachment and ego resilience...
Our findings show the mediating role of ego resilience on a negative path of father-child attachment to children's screen time. This finding emphasizes the importance of fostering solid father-child r...
In the context of increased media use and family distress during the pandemic, we examine whether preschooler screen time at age 3.5 contributes to later expressions of anger/frustration at 4.5, while...
Data are from a cohort of 315 Canadian preschool-aged children during the COVID-19 pandemic. Parent-reported measures included child h/day of screen time and child temperamental anger/frustration, bot...
A crossed-lagged panel model revealed continuity in screen time between the ages of 3.5 and 4.5 (ß = 0.68) and temperamental anger/frustration from 3.5 to 4.5 (ß = 0.60). Child screen time at age 3.5 ...
Our results suggest that preschooler screen time during the pandemic may have undermined the ability to regulate negative emotions, a key component of social and academic competence. Supporting parent...
Key message: this study observes prospective bidirectional associations between preschoolers screen time and temperamental displays of anger or frustration during the COVID-19 pandemic. What does it a...
In adolescents, excessive screen time leads to many adverse health outcomes and is associated with a variety of lifestyle behaviors. This study was conducted to investigate the associations between th...
Based on the Youth Risk Behavior Surveillance System, this cross-sectional study was conducted. With the help of data collectors, participants self-reported screening time, lifestyle behaviors, and de...
19% and 43.4% of the participants spent more than two hours a day watching television and using the computer, respectively, while the prevalence of physical inactivity and insufficient sleep was 75.1 ...
Increased screen time may be associated with specific unhealthy lifestyle behaviors in adolescents. Furthermore, the associations between different types of screen time and various lifestyle behaviors...
Background: Over the last few decades, the time children spend using electronic devices has increased significantly. The aim of the study was to evaluate the impact of screen time on dietary behaviors...