I think it’s number 2 but I could be wrong, I know 1,3, and maybe 4 are in living things
The correct answer is B. Sensitive period
Explanation:
In development, the sensitive period refers to a lapse of time in which organisms are more susceptible or receptive to stimuli and therefore during this time there can be great advances in development. Additionally, different from critical periods sensitive periods do not imply irreversible consequence if the stimuli are not presented. For example, in human beings from birth to the age of 6 years, children are more receptive to learn and acquire certain skills such as learning a new language if exposed to it and therefore this can be considered as a sensitive period. Considering this, it can be concluded the definition presented refers to the Sensitive period.
Answer: The answer is A
Explanation: The acetabulum is a concave area of the pelvis that forms a socket into which the femoral head fits. Together they form the hip joint.