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Questions and Answers
What is the term for the place where a particular species of organism lives?
Which of the following is NOT a reason why biodiversity is important?
What is the term for the variety of species present in an ecosystem?
Which of the following is a major underlying cause of the loss of Philippine biodiversity?
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What is the term for the interactions between organisms and their physical environment in a given area?
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Which of the following is an example of a recreational activity that depends on biodiversity?
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What is the term for the variety of genes within a species?
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Which of the following is a benefit of biodiversity?
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What is the term for the variety of ecosystems present in an area?
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Which of the following is a consequence of biodiversity loss?
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Study Notes
Information Age
- The invention of personal computers, mobile devices, and wearable technology advanced the use of microelectronics.
- Digitalization of voice, image, sound, and data.
YouTube
- YouTube was created by Chad Hurley, Steve Chen, and Jawed Karim.
- It is an online video-sharing platform that allows users to view, upload, share, report, subscribe, and comment on videos.
Biodiversity
- High genetic diversity indicates populations that can more easily adapt to changing situations and environments.
Types of Biodiversity
- Genetic Biodiversity: variations among the genetic resources of organisms.
- Species Biodiversity: variety of different types of species found in a particular area.
- Ecosystem Biodiversity: variation in both terrestrial and aquatic ecosystems.
Ecosystem and Habitat
- Ecosystem is the unit of interaction between biodiversity and its environment.
- Habitat is a place in which a particular species of organism lives.
Endemic Species
- List of identified endemic species:
- Pithecophaga jefferyi (monkey-eating eagle), the largest bird.
- Rhyncodon typus, the largest fish.
- Tridacna gigas (giant clam), the largest seashell.
- Pandaka pygmea (dwarf goby), the smallest freshwater fish.
- Tarsius syrichta (tarsier), the smallest primate.
- Tragulus nigricans, the smallest hoofed mammal.
- Tylonycteris pachypus (bamboo bat), the smallest bat.
Conservation and Threats
- Extinction: evolutionary termination of a species caused by failure to reproduce and death of all remaining members.
- Indicator species: a species whose status provides information on the overall condition of the ecosystem and other species.
- Hotspot: an area on earth with an unusual concentration of species, many of which are endemic to the area, and under serious threat.
- In situ conservation: conservation method that attempts to preserve genetic integrity of gene resources within the evolutionary dynamic ecosystems of the original habitat or natural environment.
- Gene bank: a facility established for the ex situ conservation of individuals (seeds), tissues, or reproductive cells of plants or animals.
Importance of Biodiversity
- Supports healthy ecosystems.
- Essential part of the solution to climate change.
- Good for the economy.
- Integral part of culture and identity.
- Provides raw materials, opportunities for recreational activities, and serves as the source of medicines.
Threats to Biodiversity
- Population growth and increasing resource consumption.
- Ignorance about species and ecosystems.
- Poorly conceived policies and poor law enforcement.
- Effects of global trading systems.
- Inequity of resource distribution.
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Description
This quiz explores the concept of genetic diversity and its importance in adapting to changing environments. It also touches on the development of microelectronics and their applications in personal computers and wearable technology.
