yes, they do. it keeps the egg warm for the time being.
The expression is "do not count your chickens before they hatch." It means do not get ahead of yourself. Eggs are potential chickens, not real ones.
Fungus gnat eggs can remain dormant for about 4 to 6 days before hatching.
you hatch eggs to grow the chicks into chickens for their meat and eggs to eat
You need to quickly find the mother, and call a vet immanently!
the incubation period for chicken eggs is 21 days, however, sometimes it takes a bit longer so it is always safe to give the eggs around 26 days.
Eggs came before chickens because reptiles and amphibians laid eggs before chickens ever even evolved.
Chickens do not need to mate in order to lay eggs. Hens will lay eggs regardless of whether or not they have mated with a rooster. However, if a hen does mate with a rooster, the eggs can be fertilized and potentially hatch into chicks.
In dragon lore, dragons are typically depicted as hatching from eggs laid by adult dragons. The eggs are usually incubated for a period of time before hatching, with the specific details varying depending on the myth or story.
Eggs hatching
12 days
No, a hen will stay on her eggs almost constantly once she begins incubating them. She will only briefly get off the nest to eat, drink, and relieve herself before quickly returning to keep the eggs warm.
Chicks hatch from eggs, they can hatch without mum or dad being present either before or after hatching. However for them to be born there must be a chicken to make the egg and sperm to fertilise it.