Parts of the plant
Roots
Types of roots
Taproots
Main root that grows vertically
Examples
carrots
radishes
Fibrous roots
Thin
branching roots
Examples
grass
wheat
Functions of roots
Absorption of water and nutrients
Root hairs increase surface area
Mycorrhizal fungi aid in nutrient absorption
Anchoring and support
Prevents plant from falling over
Helps in strong winds or rain
Modifications of roots
Storage roots
Modified for storing nutrients
Examples
sweet potatoes
beets
Adventitious roots
Roots that develop from non-root tissues
Examples
aerial roots in epiphytes
Stems
Types of stems
Herbaceous stems
Soft and flexible
Examples
dandelions
roses
Woody stems
Hard and rigid
Examples
trees
shrubs
Functions of stems
Support and transport
Provide structural support
Transport water
nutrients
and sugars
Photosynthesis
Green stems can perform photosynthesis
Examples
cacti
succulents
Modifications of stems
Rhizomes
Horizontal underground stems
Examples
ginger
iris
Stolons
Horizontal aboveground stems
Examples
strawberry runners
Leaves
Types of leaves
Simple leaves
Single leaf blade
Examples
maple
oak
Compound leaves
Divided into leaflets
Examples
ferns
clover
Functions of leaves
Photosynthesis
Production of food through sunlight
Chlorophyll is responsible for photosynthesis
Transpiration
Loss of water through leaf stomata
Helps in cooling the plant
Leaf adaptations
Needle leaves
Reduce water loss in dry environments
Examples
pine trees
Succulent leaves
Store water in arid conditions
Examples
cacti
aloe vera
Flowers
Parts of a flower
Petals
Attract pollinators
Range in colors and shapes
Sepals
Protect the flower bud
Green in color
Stamens
Male reproductive organs
Consist of anther and filament
Pistils
Female reproductive organs
Consist of stigma
style
and ovary
Flower pollination
Insect pollination
Bees
butterflies
and other insects
Transfer pollen from flower to flower
Wind pollination
No need for attractant petals or fragrance
Examples
grasses
conifers
Fruits
Types of fruits
True fruits
Develop from the ovary of a flower
Examples
apples
oranges
False fruits
Develop from other parts of the flower
Examples
strawberries
pineapples
Functions of fruits
Seed dispersal
Aid in the dispersal of seeds
Through wind
animals
or water
Protection of seeds
Outer covering protects the seeds
Examples
hard shells
fleshy coverings