STS: Biodiversity and Health society Flashcards
bio means
life
diversity means
variety
Variety of life present in an ecosystem- from the smallest micro-organism to the largest including the mammals, ecosystems where they live- forests and mountains, rivers and seas.
biodiversity
Life on Earth and refers to the variety found ni biota from the genetic makeup of plants and animals to cultural diversity (WHO)
biodiversity
Type of biodiversity: The genes are responsible for the living uniqueness of every
organism.
Genetic Diversity
Type of biodiversity: The biological variation that occurs within species
Genetic Diversity
Type of biodiversity: usually measured in terms of the total number of species found in a particular area
Species Diversity
Type of biodiversity: self sustaining collection of organisms and habitat
Ecological Diversity
Benefits of Biodiversity to Society
Source of biological resources, Regulate ecological processes
biodiversity provides functioning ecosystems that
supplyoxygen, clean air and water, pollination of plants, pest control, wastewater treatment and many
ecosystem services
Ecological life support-
- Cupressus sempervirens (cypress), Commiphora myrrha (myrrh)
- Plant based drugs - cough, colds, inflammation
Herbal medicine= 2600 BC
Plant based drugs- gargles, pils, infusion
Ancient Egypt and China
Who & when: recorded medical herbs
Greeks - 100 BC - 300BC
Preserved western knowledge= treating illinesses
- Dark and Middle Ages (Europe)
diversity of plants in a region
Herbal medicine
- Aid in childbirth
- Protect immune system from respiratory diseases
Salvia apiana (California sage
- Manna (melizitose and sucrose)
- Diuretic, laxative, expectorant, gastroprotective, anti-diarrheal
Alhagi maurorum (camel thorn
- Uterine disorder
- Flatulence, stimulate senses =seed
- Ligosticum scoticum (Scottish lovage)
Used in painkiller
Morphine
Used for anti inflammatory = aspirin
Salicylic acid
used in congestive heart failure (1700s)
Digitoxin
He -found mold to be preventing the bacteria around it from growing.
Dr Alexander Fleming (1928)
are used in drug discovery research.
Fungi and microorganisms
Norcadicins, carbapenem, monobactams)
B lactams
Dry mouth (xerostomia)
Pilocarpine (1994)
Sjogren’s Syndrome Lacrimal and salivary glands
Lacrimal and salivary glands