Question

define signs (in terms of biology)​

Answer 1

Answer:

Sign: Any objective evidence of disease, as opposed to a symptom, which is, by nature, subjective. For example, gross blood in the stool is a sign of disease; it is evidence that can be recognized by the patient, physician, nurse, or someone else.

In simple words symptoms, like cough is a symptom of coronavirus.

Hope it helps :)

Answer 2

Answer:

Sign: Any objective evidence of disease, as opposed to a symptom, which is, by nature, subjective. For example, gross blood in the stool is a sign of disease; it is evidence that can be recognized by the patient, physician, nurse, or someone else.