Question

which type of biome is the least productive? a. temperate forest b. tundra c. tropical rain forest d. savanna

Explanation:

Tundra has harsh cold conditions, short growing seasons, and limited nutrients. These factors restrict plant growth, reducing primary productivity. In contrast, temperate forests, tropical rain - forests, and savannas have more favorable conditions (like longer growing seasons, more nutrients, or better water availability) for higher productivity.

Answer:

B. Tundra