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Kingdom Plantae Land Plants Mr. Skirbst Life Science Topic 14
Requirements Land plants need to …
Requirements Land plants need to … 1.Provide support (so they don’t collapse)
Requirements Land plants need to … 1.Provide support 2.Obtain water + minerals
Requirements Land plants need to … 1.Provide support 2.Obtain water + minerals 3.Transport materials (food, water + minerals)
Requirements Land plants need to … 1.Provide support 2.Obtain water + minerals 3.Transport materials 4.Prevent water loss
Requirements Land plants need to … 1.Provide support 2.Obtain water + minerals 3.Transport materials 4.Prevent water loss 5.Get sperm & egg together!
Kinds of Land Plants 1. Non-vascular (primitive)
Kinds of Land Plants Non-vascular (primitive) -Simple structures
Kinds of Land Plants Non-vascular (primitive) -Simple structures -Must live in moist areas
Kinds of Land Plants Non-vascular (primitive) -Simple structures -Must live in moist areas -Absorb water through all body parts
Kinds of Land Plants Non-vascular (primitive) Ex. Mosses, liverworts, hornworts
Kinds of Land Plants Non-vascular (primitive) Ex. Mosses, liverworts, hornworts Human uses: used for fuel (burning) & diapers (primitive cultures)
Kinds of Land Plants 2. Vascular
Kinds of Land Plants 2. Vascular - land plant with vascular tissue
Kinds of Land Plants 2. Vascular - land plant with vascular tissue Vascular tissue – a system of tiny tubes
2 Kinds of Vascular Tissue Phloem -
2 Kinds of Vascular Tissue Phloem – transports food - movement is up & down
2 Kinds of Vascular Tissue Xylem -
2 Kinds of Vascular Tissue Xylem – transports water & minerals
2 Kinds of Vascular Tissue Xylem – transports water & minerals -Movement only upwards
2 Kinds of Vascular Tissue Xylem – transports water & minerals -Movement only upwards -Thick cell walls
Vascular Plants have roots, stems, and leaves
Roots -Anchor plant in ground
Roots -Anchor plant in ground -Absorb water & minerals from soil
Roots -Anchor plant in ground -Absorb water & minerals from soil -Store materials (food) for plant for later use
Roots 2 Types of roots:
Roots 2 Types of roots: 1. Fibrous (tangled mass) (ex. grass)
Roots 2 Types of roots: 2. Tap (deep & penetrating) (ex. carrots)
Stems - Provide support
Stems -Provide support -Transport materials (between roots & leaves)
Stems 2 Kinds of stems: 1. Herbaceous (green & soft) (Ex. dandelions)
Stems 2 Kinds of stems: 2. Woody (hard & rigid) - made of layers of xylem (ex. trees & shrubs)
Stems Typical structure: Outer bark (hard & protective) Phloem Vascular cambium (new growth area) Layers of xylem (growth rings) Pith (soft core)
Leaves - Produce food through photosynthesis
Leaves Typical Structure:
Types of leaves 1. Needle-shaped (ex. Pine, spruce, hemlock, larch)
Types of leaves 2.Simple (one main stem; blade in one piece) (ex. Oak, maple, apple, cherry)
Types of leaves 3.Compound (leaf blade contains many stems; blade in several pieces) (ex. Locust, hickory, ash, walnut)
Vascular Tissue Dissection
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