World biomes: savanna and desert

Which biome is shown on picture?

• desert

• tropical savanna

• tropical dry forest

• tropical rain forest

Which one is true for tropical savanna?

• receive more rainfall than deserts but less than tropical dry forests.

• soils rich in minerals but poor in organic material

• during the dry season, nearly all the trees drop their leaves to conserve water.

• home to more species than all other biomes combined

Cacti and other succulents; plants with short growth cycles are dominant plants of

• desert

• tropical dry forest

• tundra

• tropical savanna

Which biome has annual precipitation of less than 25 centimeters?

• tropical dry forest

• tropical rain forest

• tropical savanna

• desert

The synonyme for tropical savanna is

• grassland

• shrubland

• taiga

• fields

What is not true for tropical savanna?

• They are covered with grasses

• Compact soils, fairly frequent fires, and the action of large animals prevent them from becoming dry forest.

• Dominant plants are tall, perennial grasses; drought-tolerant and fire-resistant trees or shrubs

• The organisms in this biome can tolerate extreme conditions

Which biome is shown on a picture?

• tropical savanna

• tropical rain forest

• tropical dry forest

• desert

Which biome conditions can change greatly; extreme temperature changes during the course of a day?

• desert

• tropical savanna

• tundra

• tropical dry forest

Which one is not true for desert?

• low precipitation

• variable temperatures

• compact soils, fairly frequent fires

• soils rich in minerals but poor in organic material

Organisms shown on picture are specific for

• desert

• tropical savanna

• tropical rain forest

• Mediterranean