PHOTOSYNTHESISHOW DO PLANTS HARNESS LIGHT

ENERGY TO MANUFACTURE

FOOD?

WHAT IS OUR OBJECTIVE?

Describe

Producers [plants]

Use

Radiant Energy

Manufacture Food

HOW ARE PRODUCERS STRUCTURALLY ADAPTED FOR PHOTOSYNTHESIS?

WHAT DO PLANTS POSSESS THAT

ENABLE THEM TO PERFORM

PHOTOSYNTHESIS?

DESCRIBE THE LEAF ARRANGEMENT OF THE FOLLOWING PLANTS.

WHAT DO YOU CALL THE ARRANGEMENT OF LEAF ON A PLANT STEM?

PHYLLOTAXY

WHAT ARE THE DIFFERENT TYPES OF LEAF ARRANGEMENT?

Types of Leaf Arrangement

Alternate

Opposite

Whorled

CONTENT ORGANIZER – INTERNAL AND EXTERNAL STRUCTURE OF A LEAF

ANSWER PART II

IDENTIFY THE TYPE OF LEAF ARRANGEMENT OF EACH PLANT.

WHAT DO YOU CALL THE PART OF A LEAF THAT IS USUALLY THIN, FLAT, BROAD, AND GREEN IN COLOR?

WHY IS THE LEAF BLADE GREEN IN COLOR?CHLOROPHYL

L

HOW IS THE LEAF ATTACHED TO THE STEM?

3-2-1

DO CONTENT ORGANIZER

EXTERNAL STRUCTURE OF A LEAF

AT CROSS SECTION [INTERNAL], WHAT ARE THE 3 MAJOR PARTS OF A

LEAF?Epidermis•Upper•LowerVein•Xylem•PhloemMesophyll•Palisade•Spongy

DO CONTENT ORGANIZER –

INTERNAL STRUCTURE OF A LEAF

WHAT DO YOU CALL THE WATERPROOF WAXY MATERIAL THAT

COATS THE EPIDERMIS?

CUTIN

WHAT IS IN THE LOWER EPIDERMIS?

STOMATA

Gas exchange

Loss of water

WHAT IS THIS PART OF THE INTERNAL STRUCTURE OF A LEAF?

XYLEM

PHLOEM

WHAT IS THE XYLEM AND PHLOEM FOR?

Transport of water

Transport of food

[sucrose]

WHAT IS THE DIFFERENCE BETWEEN A PALISADE AND SPONGY MESOPHYLL?

Compactly arranged

Cylindrical

Numerous chloroplasts

WHAT IS THE DIFFERENCE BETWEEN A PALISADE AND SPONGY MESOPHYLL?

Loosely arranged

Irregularly shaped

Fewer chloroplasts

WHAT PLASTID CAPTURES RADIANT ENERGY FROM THE SUN AND CONVERT IT INTO

CHEMICAL ENERGY OF FOOD?

chlorophyll

WHAT HAPPENS TO CHLOROPHYLL IF IT ABSORBS ENERGY FROM THE SUN?

WHAT HAPPENS TO CHLOROPHYLL IF IT ABSORBS ENERGY FROM THE SUN?

Chl [groun

d state]

Light energy

Chl+ [excite

d state]

WHAT DO YOU CALL A MEMBRANE BOUND CYTOPLASMIC ORGANELLES THAT CONTAINS

CHL?

CHLOROPLAST

WHERE IS THE SITE OF PHOTOSYNTHESIS?

WHAT DO YOU CALL THE PROCESS BY WHICH GREEN PLANTS HARNESS LIGHT ENERGY FROM

THE SUN TO CONVERT IT TO CHEMICAL ENERGY OF SUGAR?

PHOTOSYNTHESIS

HOW DO YOU REPRESENT PHOTOSYNTHESIS IN A CHEMICAL EQUATION?

WHAT ELSE DO PLANTS NEED FOR PHOTOSYNTHESIS?

WHAT ELSE DO PLANTS NEED FOR PHOTOSYNTHESIS?