STS Reviewer (FINALS) Exam Questions
and Answers
Biodiversity - Answer-Defined as the vast variety of life forms in the entire Earth.
Biodiversity - Answer-A common measure of these variety is called species richness.
IMPORTANCE OF BIODIVERSITY - Answer-•Food
•Agriculture
•Medicine
•industry
IMPORTANCE OF BIODIVERSITY - Answer-- Increase ecosystem productivity; each species in an
ecosystem has a specific role
- Contribute to climate stability
- Environments for recreation and tourism
THREATS TO BIODIVERSITY - Answer-•Habitat loss and destruction
•Alterations in ecosystem composition
•Over-exploitation
, •Pollution and Contamination
•Global Climate change
Genetically Modified Organisms (GMO) - Answer-any living things that has had its genetic material
altered in some way through human scientific interference.
Genetic engineering - Answer-is a technique that allows genes and DNA to be transferred from one
source to another.
Gene - Answer-the basic physical and functional unit of heredity. these are made up of DNA; act as
instruction to make molecules called proteins.
Deoxyribonucleic Acid (DNA) - Answer-is the hereditary material in humans and almost all other
organisms.
Benefits of GMO - Answer-- increased crop yields
- reduced costs for food or drug production
- reduced need for pesticides
- enhanced nutrient composition and food quality
- resistance to pests and disease
- greater food security
RISKS AND CONTROVERSIES on GMO - Answer-- Alterations can change the organism's growth rate,
metabolism, and or response to external environmental factors
- Possibility of exposure to new allergens in genetically modified foods
- Ecological Imbalance
- Promotes the spread of disease among plants and animals
and Answers
Biodiversity - Answer-Defined as the vast variety of life forms in the entire Earth.
Biodiversity - Answer-A common measure of these variety is called species richness.
IMPORTANCE OF BIODIVERSITY - Answer-•Food
•Agriculture
•Medicine
•industry
IMPORTANCE OF BIODIVERSITY - Answer-- Increase ecosystem productivity; each species in an
ecosystem has a specific role
- Contribute to climate stability
- Environments for recreation and tourism
THREATS TO BIODIVERSITY - Answer-•Habitat loss and destruction
•Alterations in ecosystem composition
•Over-exploitation
, •Pollution and Contamination
•Global Climate change
Genetically Modified Organisms (GMO) - Answer-any living things that has had its genetic material
altered in some way through human scientific interference.
Genetic engineering - Answer-is a technique that allows genes and DNA to be transferred from one
source to another.
Gene - Answer-the basic physical and functional unit of heredity. these are made up of DNA; act as
instruction to make molecules called proteins.
Deoxyribonucleic Acid (DNA) - Answer-is the hereditary material in humans and almost all other
organisms.
Benefits of GMO - Answer-- increased crop yields
- reduced costs for food or drug production
- reduced need for pesticides
- enhanced nutrient composition and food quality
- resistance to pests and disease
- greater food security
RISKS AND CONTROVERSIES on GMO - Answer-- Alterations can change the organism's growth rate,
metabolism, and or response to external environmental factors
- Possibility of exposure to new allergens in genetically modified foods
- Ecological Imbalance
- Promotes the spread of disease among plants and animals
