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科学数据
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Data from: The trade-off between clutch size and egg mass in tree swallows (Tachycineta bicolor) is modulated by female body mass
- 负责人：
- 摘要：
- e typically limited, clutch size and egg mass are expected to be constrained, and this putative trade-off between offspring number and size is at the core
Data from: Experimental manipulation of food availability leads to short-term intra-clutch adjustment in egg mass but not in yolk androgen
- 负责人：
- 摘要：
- maternal effects. We experimentally studied whether egg and yolk mass and yolk hormone levels respond to short-term changes in food availability during laying
Data from: Pelvis morphology suggests that early Mesozoic birds were too heavy to contact incubate their eggs
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- 摘要：
- by the pubic symphysis. Known elongation ratios of Mesozoic bird eggs allowed us to predict egg mass and hence the load mass an egg could endure before cracking. These
Data from: Effects of increased flight on the energetics and life history of the butterfly Speyeria mormonia
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- 摘要：
- . We measured body mass (storage), resting metabolic rate and lifespan (repair and maintenance), flight metabolic rate (flight capacity), egg
Data from: Viviparity does not affect the numbers and sizes of reptile offspring
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- 摘要：
- t of the egg mass is due to components (such as water stores and the eggshell) not required for oviductal incubation. ?That repackaging enables live-born offspring
Data from: Heritable variation in maternally-derived yolk androgens, thyroid hormones and immune factors
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- 关键词：
- yolk hormones;genetic covariation;lysozyme;thyroid;maternal effects;IgY;Parus major;heritability
- 摘要：
- of wild origin. Egg mass, testosterone (T) and androstenedione (A4) hormone concentrations showed moderate heritability, in agreement with earlier findings
Data from: Organizing effects of adverse early-life condition on body mass, compensatory growth and reproduction: experimental studies in rock
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- 摘要：
- -natural conditions. Impoverished and restricted food (IRF) negatively affected adult body mass, pair-bonding behaviour, courtship (males) and being courted (fema
Data from: Inbreeding depression across a nutritional stress continuum
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- 摘要：
- in the developmental medium. We assessed the consequences of nutritional stress by scoring egg-to-adult viability and body mass of emerged flies
Data from: Do wolf spiders' egg-sacs emit tactochemical signals perceived by mothers?
- 负责人：
- 摘要：
- discriminate between egg-sacs differencing in mass (empty or not) as they do not hang an empty egg-sac but do not discriminate between egg-sacs with viable
Data from: Geographic variation of life-history traits in the sand lizard, Lacerta agilis: testing Darwin's fecundity-advantage hypothesis
- 负责人：
- 关键词：
- Life history evolution body size geographic variation fecundity-advantage hypothesis female reproductive output lizards offspring size sexual size dimorphism Winkler & Wallin model
- 摘要：
- n the lineage with an inconsistent and variable SSD (L. a. exigua). L. a. agilis shows lower offspring size (egg mass, hatchling mass) and higher clutch mass
