Desert Ecosystems Quiz

What is a defining characteristic of desert ecosystems?

• Dense vegetation

• Limited water availability

• High humidity

• Abundant rainfall

Which abiotic factor is most challenging for life in hot deserts?

• Extreme heat

• Low temperatures

• Abundant cloud cover

• High nutrient soil

How do creosote bushes minimize water loss?

• By having small, waxy leaves

• By storing water in their roots

• By having large leaves

• By growing in shaded areas

What unique feature helps the palo verde tree survive in the desert?

• It has deep roots

• It grows only during the rainy season

• It stores water in its leaves

• Its bark can photosynthesize

What adaptation allows the saguaro cactus to efficiently absorb water?

• Large leaves

• Thick bark

• Deep roots

• Shallow roots

How do camels survive long periods without water?

• By eating only dry food

• By drinking large amounts of water at once

• By storing fat in their humps

• By storing water in their humps

What is a common strategy for desert animals to avoid the heat?

• Being active during the day

• Living in open areas

• Having dark fur

• Being nocturnal

How do fennec foxes keep cool in the desert?

• By burrowing underground

• By eating only at night

• By having large ears

• By staying in water

What is the purpose of the light-colored fur of the Arabian oryx?

• To attract mates

• To absorb sunlight

• To reflect sunlight

• To camouflage with the sand

What term describes animals that are active at night?

• Crepuscular

• Nocturnal

• Aerial

• Diurnal