plants use roots and stems

How do plants use roots and stems to

grow?

How roots help plants

Fir tree roots

- Roots keep the plant stable in the ground.

- Roots store food made by the plant`s leaves.

- Roots also take in water and materials called

minerals from the soil.

The plant gets nutrients from the water and minerals.

A nutrient is any material needed by living things for energy, growth, and repair.

Plants need nutrients to live and grow.

Types of roots

Carrots and dandelions have one large root called a taproot. They are examples of taproots.

- Taproots grow deep into the soil toward earth`s center.

- Taproots take in water and nutrients from the soil.

- The roots also store food made by the plant.

Grass and pine trees have roots that spread out in many directions.This type of root is called a fibrous root.

- Fibrous root store food.

- Fibrous roots take in water and nutrients from the soil.

- Fibrous roots grow toward earth`s center.

-Fibrous roots grow longer than taproots.

- Fibrous roots grow close the surface to take in water after it rains.

Imagine how a taproot is and draw it.

Imagine how fibrous roots are and draw some.

How stems help plants

- Stems support the leaves, flowers, and fruits.- Stems grow up toward the light(main source of energy).- Stems have tiny tubes that move water and minerals from roots to the leaves.- other tubes move food from the leaves to the stems and roots.

The stem of a pumpkin can grow roots and a new plant.

Vines are stems that grow parts that wrap around objects that support the plant.

Ivy is a vine that grows on the ground or on buildings.

Types of stems -Plants stems come in different shapes, sizes, and colors.

cactus stems

Cactus stems

are thick and waxy.(this keeps them from losing water(.

swell up to store water..

help cactus survive in a desert.

grow above ground.

- Potatoes stems grow below ground.

- Potatoes stems can make new stems from buds (potato`s eyes).

- These buds grow up out of the ground and become new plants.

potatoes stemsmake new stems from

buds..

The buds grow up out of the ground and become new

plants.

grow below ground.