POSITIVE
•Improve air quality by absorbing carbon dioxide and releasing
oxygen
•Help prevent soil erosion
•Provide food, medicine, and shelter
•Support wildlife and biodiversity
•Reduce stress and improve mental health
•Create a peaceful and calming environment
•Enhance beauty and aesthetics in nature and urban spaces.
What are the
NEGATIVE
effects of plants?
NEGATIVE
•Allergic reactions
•Invasive species
•Poisonous plants
•Increased fire risk
•Crop competition
•Damage to infrastructure
Root
4 BASIC PLANT PARTS
Stem
Leaves
Sexual Reproductive Organs
Root
4 Basic Plant Parts
Plant Industry
Animal Industry
Aquaculture
underground part of plants
Hold, absorb, transport & store
Types of Root System
Fibrous Root System –small lateral
roots that spread out just below the
soil’s surface
Tap Root System – primary root
grows down from the stem with some
small secondary roots forming
Root
4 Basic Plant Parts
Plant Industry
Animal Industry
Aquaculture
underground part of plants
Types of Root System
Tap Root System – primary root
grows down from the stem with some
small secondary roots forming(carrots
and turnips)
Fibrous Root System – small lateral
roots that spread out just below the
soil’s surface ( ex. Corns and beans)
Horticulture
4 Basic Plant Parts
Stem
Animal Industry
Aquaculture
allows the plant to grow upright,
and is a transport system for the
water and minerals coming from
the ground.
Types of Stem
Herbaceous – soft and bendable
Woody – hard and do not bend
easily
Horticulture
4 Basic Plant Parts
Plant Industry
Leaves
Aquaculture
manufacturing organ of the
plant
Horticulture
4 Basic Plant Parts
Plant Industry
Animal Industry
Sexual
Reproductive
Organs
Flowers
Fruits
Seeds
4 Basic Plant Parts
Sexual Reproductive
Organs
FLOWER -the reproductive structure of
flowering plants: also called bloom/
blossom
CLASSIFICATION OF FLOWER
•Complete Flower-4 basic parts are
present
•Incomplete Flower- 3 basic parts are
present
•Perfect Flower- 2 sexual reproductive
organ are present.
•Imperfect Flower- 1 sexual
reproductive organ is present.
4 Basic Plant Parts
Sexual Reproductive
Organs
FRUIT -the part of the plant that
contains seeds.
CLASSIFICATION OF FRUIT
•Aggregate - fruit from a single
flower with many ovaries
•Multiple – fruit from group of
tightly clustered flowers
•Simple - fruit from a single
ovary in a single flower
4 Basic Plant Parts
Sexual Reproductive
Organs
FRUIT -the part of the plant that
contains seeds.
CLASSIFICATION OF FRUIT
•Aggregate - fruit from a single
flower with many ovaries
•Multiple – fruit from group of
tightly clustered flowers
•Simple - fruit from a single
ovary in a single flower
4 Basic Plant Parts
Sexual Reproductive
Organs
SEEDS
the product of the ripened
ovule of gymnosperm
and angiosperm plants
which occur after
fertilization.
Classification
of Plants
BOTANICAL
DESCRIPTIVE
AGRICULTURAL
Morphological
characteristics of plants
(anatomy, physiology, DNA)
BOTANICAL
DESCRIPTIVE
AGRICULTURAL
Observable features
(environmental adaptation,
growth habit)
BOTANICAL
DESCRIPTIVE
AGRICULTURAL
Usefulness and
Unusefulness
(crops and weeds)
BOTANICAL
DESCRIPTIVE
AGRICULTURAL
2 MAJOR CLASSIFICATION OF PLANTS
FLOWER-BEARING OR
SEED- BEARING PLANTS
NON-FLOWERING
PLANTS
2 MAJOR CLASSIFICATION OF PLANTS
FLOWER-BEARING OR
SEED- BEARING PLANTS
Plants that bears
flowers that later
becomes seed.
2 MAJOR CLASSIFICATION OF PLANTS
NON-FLOWERING
PLANTS
Plants that do not
have flowers or
seeds, propagate
through spores