Adaptive Structures of Plants

Why do cacti have spikes?

• to absorb nutrients

• to capture sunlight

• for protection

• to store more water

Orchids and other aerial plants have dangling roots. Why is this so?

• to catch moisture from the air

• to capture sunlight

• to prevent loss of water

• to protect the seed

Which of the following plants have big leaves to capture sunlight?

• santan

• pine tree

• banana

• narra

What adaptive structure of plants help them to store water?

• big waxy leaves

• fleshy stem

• dangling roots

• thorns and spikes

Rosemary and pines have needle-like leaves. What is the use of this structure?

• to prevent loss of water

• to catch moisture

• to attract insects

• to transport nutrients

Which of the following plants have leaves that float on water to capture sunlight?

• water lily

• kelps

• mangrove

• pechay

Some trees in the forest grow tall and have small leaves. What is the reason for these?

• to capture enough sunlight

• to absorb nutrients

• to become strong

• to protect against animals

Which of the following plants have sharp leaf blades for protection against animals?

• lemon grass

• cactus

• rose

• guava

Which of the following adaptive structure is used to attract pollinators?

• colorful leaves

• colorful flowers

• fleshy leaves

• thorns

Why do plants have fruits that grow close together?

• to protect the seed

• to grow easily

• to be harvested fast

• to attract animals