A neonate enters the world with unlearned, organized, and involuntary responses that occur automatically in the presence of stimuli; these responses are called .

Reflexes

Explanation:

A neonate has just changed the environment and adaptability is a characteristic of a human being including a new born baby. When newborn babies experience this change of environment they employ neonatal reflexes to adapt to this change. Neonate can employ reflexes such as urinating, sucking and blinking which they have never learned before. This is in an involuntary response to external stimuli.

Neonate respond to stimuli via unlearned, involuntary and organized responses known as reflexes

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.

bacterium is not correct