Chapter 7 And 11 Vocab

Front 1

vascular plants

Back 1

plants that are defined as those land plants that have lignified tissues for conducting water and minerals throughout the plant.

Hint 1

ex. xylem and phloem

Front 2

lignin

Back 2

a class of complex organic polymers.

Hint 2

Located in cell wall.

Binds cellulose fibers.

Front 3

xylem

Back 3

vascular tissue in plants that conducts water.

Hint 3

Conducts nutrients upward.

A compound tissue.

Front 4

pholem

Back 4

vascular tissue in plants that conducts sugar.

Hint 4

Conducts other metabolic products .

Front 5

Tracheids

Back 5

A type of water conducting cell in xylem.

Hint 5

Elongated cells in vascular plants.

Do not have perforation plates.

Front 6

Vessel elements

Back 6

One of the cell types found In xylem.

Hint 6

Typically found no flowering plants.

Absent from most gymnosperms.

Front 7

Cohesion

Back 7

Describe particles that tend to stick together.

Hint 7

Ex. water molecules bonding.

Fat molecules

Front 8

Adhesion

Back 8

When to different particles stick together.

Hint 8

Ex. Ethylene, acetylene,NaCN

Front 9

Sieve tubes

Back 9

A vertical series of sieve cells.

Hint 9

Food conducting cell. Located in phloem.

Front 10

Endosperm

Back 10

A part of a seed that acts as a food storage.

Hint 10

Surrounds the embryo. Can contain oils and protein.

Ex. Wheat endosperm

Front 11

Cotyledons

Back 11

Part of the embryo within the seed of a plant.

Hint 11

First leaves of a seedling.

Its species is called angiosperms.

Front 12

Apical meristems

Back 12

Found at the tip of plants and at the end of there roots.

Hint 12

Division results into different primary tissue.

Located right behind the root caps.

Front 13

Seed coat

Back 13

The protective coat of a seed.

Hint 13

Like a cell wall is to a plant, ___________ is to a seed.

Keeps the seed from damage.

Front 14

Germination

Back 14

Process by which plants grow from a seed.

Hint 14

Ex. Sprouting of a seedling.

Front 15

Primary growth

Back 15

Growth that occurs as a result of cell division at roots and stems.

Hint 15

Causes elongation and Rise to primary tissue.

Front 16

Node

Back 16

Part of a plant stem where leaves emerge.

Hint 16

Division on stem.

Branches also grows from this

Or Ariel roots.

Front 17

Root cap

Back 17

The tissue at the tip of a plant root.

Hint 17

Aka. calyptra

Front 18

Epidermis

Back 18

The outer layer is tissue in a plant.

Hint 18

Like skin is to humans, __________ is to plants.

Front 19

Cuticle

Back 19

Outer layer of living tissue.

Hint 19

A protective layer covering the epidermis.

Consist of lipids and hydrocarbon polymers.

Front 20

Vascular tissue

Back 20

The tissue located in vascular plants.

Hint 20

Consist of xylem and phloem.

Front 21

Ground tissue

Back 21

Tissue in plants that are not vascular nor dermal.

Hint 21

Three divisions:

Parenchyma

Collenchyma

Sclerenchyma

Front 22

Secondary growth

Back 22

Growth caused by cell division in the later meristem.

Hint 22

Causes stems and roots to thicken.

Occurs in most seed plants.

Front 23

Vascular cambium

Back 23

Plant tissue located between the xylem and phloem in the stem and root of a vascular plant.

Hint 23

Found in dicots and gynosperms.

Front 24

Pericycle

Back 24

Thin layer of plant tissue between the phloem and epidermis.

Hint 24

Cylinder of parenchyma and sclerenchyma.

Composed of non- vascular parenchyma cells.

Front 25

Plant growth regulators

Back 25

Chemical substances that influence the growth of plant cells

Hint 25

Classes consist of auxins, cytokinins and gibberellins.

Front 26

Auxins

Back 26

Plant hormones that promote and regulate the growth and development of plants.

Hint 26

Uneven spreading results in uneven plant tissue growth.

Front 27

Gibberllins

Back 27

Plant hormones that stimulate germination and flowering.

Hint 27

Metabolic products of the fungus gibberella.

Front 28

Cytokinins

Back 28

Compounds the promote cell division and inhibits aging in plants.

Hint 28

Involved in primary growth.

Usually synthesized at the roots.

Front 29

Abscisic acid

Back 29

A plant hormone that promotes leaf detachment.

Hint 29

Aka. Dormin

Also Produced by some fungi .

Front 30

Ethylene

Back 30

A hydrocarbon gas that speeds up the time it takes for fruits and vegetables to ripen.

Hint 30

Formula. C2H4

Characteristics :

Colorless

Flammable

Front 31

Tropism

Back 31

the turning of all or part of a plant in a particular direction in response to a stimulus.

Hint 31

Types: chemotopism

Geotropism

Heliotropism

Hydrotropism

Phototropism

Front 32

Phototropism

Back 32

The orientation of a plant in relation to where the sunlight is coming from.

Hint 32

Also occurs in organisms such as fungi.

Reacts with auxin.

Front 33

Gravitropism

Back 33

The orientation of a plant in relatio to gravity.

Hint 33

Roots show this positively.

Responds to external stimuli.

Front 34

Photoperiodism

Back 34

the response of an organism to seasonal changes in day length.

Hint 34

Plants such as Long day plants, short day plants and day neutral plants respond to this.

Front 35

Phytochrome

Back 35

A pigment that plants use to detect light.

Hint 35

A photoreceptor.

Is sensitive to light in the red region of the visible spectrum.