Biomes Test

What is a biome?

• A single ecosystem with a dominant species.

• A geographic area on Earth that contains ecosystems with similar biotic and abiotic features.

• A community of animals and plants interacting with their physical environment.

• A large area of land with a specific climate and vegetation.

How many major land biomes are there on Earth?

• Five

• Six

• Seven

• Eight

Which of the following is NOT listed as a major land biome?

• Tundra

• Taiga

• Coral reefs

• Deciduous forests

What is a characteristic feature of desert biomes?

• They are extremely cold throughout the year.

• They receive a high amount of rainfall.

• They are found only in Africa and Asia.

• They receive very little rain and are Earth's driest ecosystems.

What is a unique adaptation of plants in desert biomes?

• Large leaves to capture more sunlight.

• Shallow roots to absorb water quickly.

• Deep roots to find water deep underground.

• Thick bark to protect against predators.

Which biome is characterized by areas where grasses are the dominant plants?

• Tropical rain forests

• Grasslands

• Deciduous forests

• Deserts

What type of roots do grasses in grassland biomes typically have?

• Shallow and wide-spreading

• Deep and narrow

• A thick mass, called sod, which helps hold water during droughts

• No roots, as grasses absorb moisture from the air

Which of the following animals is NOT typically found in North American grasslands?

• Bison

• Kangaroos

• Ferrets

• Coyotes

What percentage of sunlight reaches the forest floor in tropical rainforests?

• Less than 1%

• About 10%

• More than 50%

• Exactly 25%

Which of the following is NOT a characteristic of the Tropical Rainforest Biome?

• Large, dense growths of tall, leafy trees

• Weather is warm and wet year-round

• Soil is deep and retains water well

• These forests grow near the equator