Which of the following is
true aboutimprinting?
it may betriggered by visual or chemical
stimuli.
it happens tomany adult animals, but not to their
young.
it is a type oflearning that does not involve
innate behavior.
it results inbehaviors that cease after the
critical period.

It may be triggered by visual or chemical stimuli

Explanation:

Imprinting in pyschobiology is a phenomena of learning in animals. In this the young animals are exposed to one object or stimulus that can be visual, tactile, auditory and later on experience the other object or stimulus. This is tested on some birds such as chickens, geese, ducks also in some fishes, mammals and insects.

g1

choices:

a. g2. b. g1. c. m

cell division has two checkpoints namely, g1

checkpoint and spindle assembly checkpoint. the checkpoint which determines if

division has properly occurred is the g1 checkpoint. at this point, is a damage

in the dna is detected or  the has not reach the optimum size, the cell is

stopped in g1 and is not allowed to proceed to further process.

source:

ability to bond woth oxygen