3.2+3.3 - The Leaf Tissues & Gas Exchange Flashcards Preview

Science 10 Unit C Biology Section 3 > 3.2+3.3 - The Leaf Tissues & Gas Exchange > Flashcards

Flashcards in 3.2+3.3 - The Leaf Tissues & Gas Exchange Deck (11)
Loading flashcards...
1

The ______ is a collection of tissues whose main purpose is to carry out or support the process of ______

Leaf
Photosynthesis

2

Dermal, ground, and vascular tissue all have a ______ purpose and function

Particular

3

The ______ has specialized cells to maximize its ability to exchange ______

Leaf
Gases

4

Leaf dermal tissue
- the ______ is on both the top and underside of the leaf and is clear and very thin
- specialized cells called ______ cells form tiny openings or pores, mostly on the underside of the leaf called ______
- ______ allows gas exchange to happen easily
- they open to air hammers that connect with cells of the ______ tissue
- CO2 and oxygen can enter and exit the cell by ______ (dependent on the gradient)

Epidermis
Guard
Stomata
Stomata
Ground
Diffusion

5

______ cells
- control whether the ______ is open or closed
- stimulated by ______ (active transport—needs energy)
- protect the leaves from losing too much ______
- the process of water leaving the leaf through the ______ is called ______

Guard
Stomata
Light
Water
Stoma
Transpiration

6

Leaf ground tissue
- between the upper and lower ______ of the leaf we specialized ground tissues called ______

Epidermis
Mesophyll

7

Mesophyll tissues
- there are two kinds: ______ and ______

Palisade mesophyll tissue cells
Spongy mesophyll tissue cells

8

______ mesophyll tissue cells
- below the epidermis
- responsible for ______

Palisade
Photosynthesis

9

______ mesophyll tissue cells
- loosely packed, irregularly shaped cells
- allows for ______ by diffusion throughout the leaf

Spongy
Gas exchange

10

Leaf vascular tissue
- leaf ______
- provides the leaf with water needed for ______ and ______ (xylem)
- removed ______ (phloem) formed from ______
- the xylem and phloem are bunched together in ______ bundles

Veins
Transpiration
Photosynthesis
Sugars
Photosynthesis
Vascular

11

Gas exchange in plants
- the leaf is not the only place where ______ occurs
- ______ are pores which occur along woody stems and mature roots
- look like slashes or blisters

Gas exchange
Lenticels