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35 Cards in this Set
- Front
- Back
- 3rd side (hint)
Vascular Plants |
Plants that transport nutrients using vascular tissue |
-Uses Xylem & Phloem |
|
Lignin |
A hard material in cell walls |
Helps plants stand up |
|
Xylem |
Hollow tube that carries water up |
-Made of vascular tissue |
|
Phloem |
Distributes organic nutrients in vascular plants |
-Uses active transport |
|
Vessel Elements |
Water conducting cells |
-in xylem with Tracheids |
|
Trachieds |
Also watter conducting cells |
-in xylem |
|
Cohesion |
A tendency for water to stick together |
-H bonds |
|
Adhesion |
A tendency for water to stick to other charged molecules |
-When water "sticks" to the container |
|
Sieve Tubes |
Channels in phloem |
Carry nutrients in phloem |
|
Endosperm |
Tissue that surrounds the embryo |
Endosperm= inside seed |
|
Cotyledons |
Small bumps on an embryo |
-become leaves |
|
Apical Meristems |
creates cells that become specialized |
-stem cells for plants |
|
Seed Coat |
Encloses the endosperm |
-Coats the seed |
|
Germination |
When the seed sprouts |
- only happens when conditions are right |
|
Primary Growth |
Plants vertical growth |
-More prominent during germination |
|
Node |
Points where leave grow |
-Sprouting point for leaves |
|
Root cap |
Rough tissue mass |
-Caps a root |
|
Epidermis |
Surface cells |
-The outer protective layer of cells |
|
Cuticle |
Hydrophobic wax |
-Covers the epidermal layer of cells |
|
Vascular Tissue |
Building for phloem & xylem |
Makes what makes vascular plant special |
|
Ground tissue |
Gives plant shape and structure |
-Fills plant giving it support |
|
Secondary Growth |
Plants horizontal growth |
- Growth relating to diameter |
|
Vascular Cambium |
Where secondary growth comes from |
-Type of meristem |
|
Pericycle |
Where root branches come from |
-A meristem for roots |
|
Plant Growth Regulators |
Compounds that regulate the plants growth |
-Plant hormones |
|
Auxins |
Produced by Apical meristems |
-Produced by Apical meristems -Growth Promoter -First PGR to be discovered |
|
Gibberellins |
Causes plants to grow fast and tall |
-Dicovered in 1920 -Growth Promoter |
|
Cytokinins |
Promote cell division and development |
Encourages natural growth |
|
Ethylene |
Growth inhibitor in gas form |
C2H4 |
|
Absicisic acid |
Closes stroma during dry conditions |
C15H20O4 |
|
Tropism |
When plants grow toward or away stimulus |
-Plants turning toward the sun |
|
Gravitropism |
Growing toward or away from gravity |
-Gravi- Gravity |
|
Phototropism |
Growing toward or away from the sun |
-Photo - sun |
|
Photoperiodism |
Response to an amount of sun |
-Photo -sun -Period - duration |
|
Phytochrome |
Chemicals that plants use to measure the amount of sun it was exposed to. |
-Uses pigments to measure duration -Chrome - color |