All the groups within a company are called:
a. culture
b. diversity
c. climate
d. internal environment

The answer is D.

All the groups within a company are called internal environment.

Including :
- Current employees
- management
- Corporate Culutures

Internal environment will heavily affect employee's behaviour. For example is corporate cultures to ban an internet distraction such as youtube, facebook, and twitter within office hours

Ithink the answer is b. shakeri hope im not wrong : )