Specialized Structures in Plants Grade 4

These plants have non-woody stems.

• herbaceous

• succulent

• hydrophytes

These plants have thicky fleshy tissues adapted to water storage.

• herbaceous

• aquatic

• succulent

These are plants that have adapted to living either partially or fully submerged in water.

• succulent

• hydrophytes

• herbaceous

These are examples of terrestrial plants, except for one.

• water lily

• pine tree

• cactus

What do you call spines and thorns of some plants which they use to protect themselves from danger.

• enemies of the plants

• adaptive structure

• plant disease

What characteristics of the cactus plant help it to revive in the desert?

• A. It has no leaves through which water escapes to the atmosphere.

• B. It has spines that protect it from the enemies

• C. A and B

Why grazing animals don,t feed feed on cogon and talahib grasses?

• Those plants have thorns

• Those plants are poisonous

• Those plants have razor-sharp leaf blades.

One morning, my younger sister waters her plants. Among her plants, she noticed that gabi leaves has more water on its top or what we call morning dew. How do you call the protective structure that prevent damage of the inner part of this plant?

• thorns

• waxy stem

• waxy leaves

Aya went in her friend's garden. The garden was full of flowering plants. She enjoyed looking at them. She wonders why rose and bougainvilla plants were not planted inside the fence. What structures protect them from predators?

• Their stems have thorns that protect them.

• They have unpleasant smell.

• They have sharp leaves.

Which of the following is the function of the root?

• It anchors the plant to the ground.

• It makes food for photosynthesis.

• It produces seeds.