Exploring Earth's Biomes and Ecosystems

What is the primary role of decomposers in an ecosystem?

• They produce food for other organisms.

• They help in the transfer of energy by consuming other organisms.

• They store energy from the sun through photosynthesis.

• They break down dead organisms, recycling nutrients back into the ecosystem.

Which biome is characterized by receiving less than 10 inches of rain per year?

• Taiga

• Tropical rainforest

• Temperate deciduous forest

• Desert

What adaptation helps desert plants conserve water?

• Growing long roots to reach underground water

• Changing color with the seasons for camouflage

• Having needle-like leaves to reduce water loss

• Developing thick bark to resist fires

Which biome is known for its four distinct seasons?

• Temperate deciduous forest

• Taiga

• Tropical rainforest

• Savanna

What is a defining feature of the vegetation in temperate grasslands?

• Thick, water-storing cacti

• Tall, dense trees

• Large shrubs and bushes

• Mainly grasses, with few trees and large shrubs

Which biome experiences a long dry season followed by a wet season?

• Temperate grassland

• Tundra

• Savanna

• Desert

What is permafrost?

• A type of vegetation found in the tundra

• A layer of soil that remains frozen throughout the year

• A form of precipitation unique to polar regions

• A cold desert found in the Arctic region

Which of the following is NOT a characteristic of the alpine tundra?

• Located above the treeline

• Found in high elevation areas

• Contains many tall trees

• Has a short growing season

What distinguishes oceans from freshwater bodies?

• Higher temperatures

• Greater biodiversity

• Higher salt content

• Lower depths

Which kingdoms consist of only unicellular organisms?

• Animals and Fungi

• Plants and Animals

• Fungi and Protists

• Bacteria and Archaea