Earth & Environmental Sciences
passerine
100%
eggshell
99%
range expansion
91%
bird
61%
embryo
27%
egg
25%
humidity
16%
colonization
12%
environmental factor
11%
ecological factor
7%
gas exchange
7%
temperature
7%
nest
7%
dehydration
6%
shield
6%
chronology
6%
incubation
5%
desert
5%
North America
5%
shell
5%
mortality
5%
document
5%
oxygen
4%
loss
3%
effect
3%
experiment
2%
water
2%
Agriculture & Biology
egg shell
78%
birds
44%
Carpodacus mexicanus
20%
humidity
17%
eggs
15%
environmental factors
12%
ambient temperature
9%
embryo (animal)
9%
oxygen partial pressure
8%
embryonic mortality
7%
desiccation (plant physiology)
7%
gas exchange
6%
deserts
6%
nests
5%
embryogenesis
5%
water
2%
temperature
2%