The first organized responses of the developing organism to the environment occur during which period?

A) implantation
B) germinal
C) embryonic
D) fetal

Organized Responses

Coordinated reactions by organisms or cells to internal or external stimuli.

Developing Organism

An organism in the stages of growth and development, evolving from early formation to maturity.

Environment

The surrounding conditions and factors that influence the living and non-living elements present in it.