WN 5th grade Science ~ Roots, Stems, and Plants

Created by CSTaylor 

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Quiz 1 ~ 8/31 and 9/1

Taproot

Root that is long, thick, and goes straight down
ex: carrot, dendelion

Vascular Plant

Plant that has xylem and phloem tubes

Xylem

Plant tissue inside the root that transports water and minerals

Aerial Root

Root that grows above the ground from the stem of a plant

Cortex

root cells that store food

Epidermis

outside covering of a root;
helps root absorb water

Fibrous Root

Fine roots that branch out and cover a large area (ex: grasses)

Phloem

Plant tissues that carry food from one part of the plant to the other

Primary Root

1. Main root;
2. Connects to the stem

Prop Root

Aerial root that helps support plant

Root

1. Underground foundation of a plant;
2. Anchors plant in the soil;
3. Absorbs water and minerals

Root Cap

Mass of cells at the end of the root that protects it as it grows and puches its way through the soil

Root Hairs

little hairs found on roots;
help absorb water and minerals

Secondary Roots

Any root that comes off the primary root

Stem

1. Supports the plant's leaves and flowers (necessary for leaves to get light from the sun for photosynthesis)
2. Part of the plant that connects its roots and its leaves

Transport System of a Plant

As a group, the xylem and phloem cells form the transport system of a plant

Functions of a Root System

A root system stores food and absorbs water and minerals.

Differentiate between Taproot and Fibrous Root

Taproot: root that is long, thick, and goes straight down. ex: carrot, dendelion
Fibrous Root: fine roots that branch out and cover a large area ex: grasses

Examples of Edible Roots

carrot, beets, potatoes, and radishes

Types of stems

1. Woody: hard stems covered by bark, not easily bendable
2. Herbaceous: green soft and bendable stems; ex: buttercup

Modified Stems

Modified stems
1. Tuber stem: potatoes
2. Bulb stem: onion
3. Rhizome stem: ginger
4. Succulent stem: cactus

Edible Parts of the Plant

fruits, seeds, roots, leaves, flowers, stems

Importance of Plants

1. Primary source of food for people and animals
2. Produce oxygen
3. Help keep us cool
4. Renew the air

Plants provide...

1. Slow wind speed
2. Shelter for wildlife
3. Beautify surroundings
4. Furnishings and buildings (wood)
5. Plant sap is used for resins and latexes

Annual Plants and Trees

Annual plants and trees grow, make flowers fruit, and seeds all in one season. They do NOT return the following year.
Examples ~
Plants: tomato, pansy
Trees:

Biannual Plants and Trees

Biennial plants and trees need 2 years to complete full lifecycle.
Examples ~
Plants: forget-me-not, parsley
Trees:

Perennial Plants and Trees

Perennials come back year after year without having to be replanted.
Examples ~
Plants: tulip, rose
Trees:

Deciduous Plants and Trees

Deciduous plants and trees lose their leaves during the Fall and bloom in Spring.
Examples ~
Plants:
Trees: Oak, Maple

Evergreen Plants and Trees

Evergreen plants and trees
Examples ~
Plants:
Trees:

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