How are political parties and interest groups similar?

both are responsible to a large number of voters.

both are concerned with a broad range of public policy issues.

both represent people who join together for a political purpose.

both nominate candidates for elected office.

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.