BIODIVERSITY AND A HEALTHY SOCIETY Flashcards
“As new areas of the world came into view through exploration, the number of identified species of animals and plants grew astronomically. Today, more than 1.25 million different species are known, and no biologist supposes that the count is complete.”
Isaac Asimov
the variety of life in the world or in a particular habitat or ecosystem.
Biodiversity
Three Types of Biodiversity
Genetic biodiversity
Species diversity
Ecological diversity
variation among organisms of the same species.
Genetic biodiversity
a variety of species within a particular region.
Species diversity
network of different species in an ecosystem and the interaction of these species.
Ecological diversity
The ______________ are the reason for the richness in biodiversity of a particular region.
variations of climatic and altitudinal conditions along with varied ecological habitats
How does Society benefit from the richness of Biodiversity?
Humans can source from nature different biological resources such as food, medicine, and energy, among others.
Since ______________, people have been using __________ to treat illnesses.
2600 BC; herbal medicines
The ancient ______ (100 BC to 300 BC) recorded the collection, storage, and use of medicinal herbs.
Greeks
The _______________ used various plant-based drugs such as gargles, pills, infusions, and ointment.
ancient Egyptians and Chinese
Have been used to treat coughs, colds, and inflammation since the ancient times.
Cupressus sempervirens (Cypress)
Commiphora myrrha (Myrrh)
Used by Indian tribes of Southern California to aid in childbirth and was believed to protect the immune system from respiratory ailments.
Salvia apiana (California sage)
Secrets a sweet and gummy substance from its stems and leaves called “manna” during hot days. It is believed to have a diuretic—diaphoretic, laxative, expectorant, gastroprotective, antiseptic, and anti-diarrheal properties.
Alhagi maurorum (Camel thorn)
Plant-Based Medicinal Products Available in the Market
Salicylic acid
Morphine
Penicillins