Human view of plants
Needed for food, shelter, drugs, medicine, and clothing
Anthropocentric
Human centered
What plants feed the world?
Rice, wheat, and corn
Civilizations of rice
Chinese, Japanese, Vietnamese, Cambodian
Civilizations of wheat
Indo-European, Roman, Persian, Greek
Civilizations of corn
Americas, Olmec, Aztec, Mayan, Incan
Rice, wheat and corn are what?
Grasses
Grasses have a special _________.
Fruit
What is a fruit?
- A mature or fertilized female sex organ (pistil)
- Structure that contains seeds
A pistil becomes a fruit by what two processes?
Pollination and fertilization
Pollination
Process by which pollen is transferred from the stamen (make sex organ) to pistil (female sex organ)
Fertilization
Process of the fusion of egg and sperm
The fruit of grasses is called a _________.
Caryopsis
Caryopsis
A fruit with one seed, where the seed coat and seed wall are fused together, making it storable
Rice, wheat and corn are storable forever, as long as _________.
They don’t get wet (they will get moldy)
How do you eat rice, wheat, and corn after it gets hard?
Mill or grind it
Cotton
-The hairs of the seed of the cotton bowl (fruit)
The hairs of cotton are pure _________.
Cellulose
What is the biggest killer in the world?
Malaria
What is the cure for malaria?
Quinine
Gin & Tonic
Medicinal drink used to prevent malaria
Why use synthetic instead of natural product?
Dosage (strength from medicine is consistent from pill to pill; concentration from natural plants vary)
The earth is a planet for _________.
Plants
What do plants need?
Dirt (mineral nutrients), gases (CO2 for photosynthesis and O2 for respiration), water, and sunlight
What does the earth not provide for plants?
Sunlight
If it’s _________, it’s working. If it’s working, it has to _________ (burn carbohydrates to make ATP)
Alive; respire
Why are plants important?
- They are energy transformers (convert sunlight (radiation) to chemical bond energy)
- They’re the basis of the food chain