Animasi dan bahan ajar Biologi SMA AKARTUMBUHAN

• External Structure of the Plant – Parts of

the plant on the outside.

• The Root



_{Types of Root Systems}

MAIN ROOT

LATERAL OR SIDE

ROOT _SYSTEMROOT LEAF

TERMINAL BUD AXILLARY

BUD

The Shoot System is

found

ground and the Root System

is found

ground.

ABOVE

Looks like a tangled mass of roots

Examples of plants With this root

system are

Have a large main central root

Have many branching roots

Go deep in the soil

Examples of plants :

 _{Large trees e.g.}

mango, avocado

 _{Shrubs e.g. tomato,}

Plant attaches itself to tree branch or

telephone wire

Roots hang down in mid-air and absorb water from rainfall

Examples : Wild Pine

STILT

ROOTS

e.g.

PROP ROOTS

ADVENTITIOUS Roots

Roots :

- anchor plants firmly in the ground

- absorb water and minerals

from the soil

- of some plants,

can store starch