Cactus Adaptation

Cactus have _______________ instead of leaves.

• Spines

• stem

• flower

• roots

How does the stem helps the cactus in adaptation?

• By absorbing water through their leaves

• By relying on underground water sources

• By storing water in them

• By staying thin

Explain the role of spines in cactus?

• Cactus spines help in pollination.

• Cactus spines are used for water storage.

• Cactus spines attract animals for protection.

• Cactus spines prevent the animals from feeding on the plant.

How do cacti roots help them?

• Absorbing water through roots

• Having large surface area to volume ratio

• Spines instead of leaves and conducting photosynthesis at night

• Conducting photosynthesis during the day

What is the purpose of the waxy coating on cactus stems?

• To attract pollinators

• To increase the weight of the plant

• To provide a source of food for animals

• To prevent water loss by evaporation.