The bird was frightened by the human as a defense mechanism it knows to fly away for safety.
it would not be cells cause that's just dead wrong but it is respond to their environment
nothing
building nests and flying
No, birds automatically know how to fly when their mothers push them out of the nest when they think it's time.
Fundamental characteristics that frogs and birds share include that they feed on other organisms and they move. Frogs and birds are vertebrates and they are multicellular.
It is instinct for the parent bird to feed the baby birds.
Although a noted songster, possessing a sweet song, even during the night, the nightingale does not imitate other birds songs. The mockingbird does, however, and even cell phone rings and other human made sounds. The mockingbird can imitate up to 80 other birds songs, and this appears to be an instinctive behavior.
Birds start brooding behavior the day before hatching.
Two little dickie birds sitting on a wall
Birds feel colder when they are flying
Birds.
it means birds
Birds are warm-blooded.
they poo
you have to be incontact with the ground to get electrocuted!
I believe are called incubating birds, because they are incubating the eggs!
they are birds
birds
one, if it is sitting on your face.