NEET > Biology Class 12 > Genetics, Species & Ecological Biodiversity
Genetics, Species & Ecological Biodiversity Video Lecture - Biology Class 12 - NEET
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FAQs on Genetics, Species & Ecological Biodiversity Video Lecture - Biology Class 12 - NEET
| 1. What is genetics and how does it relate to species and ecological biodiversity? |  |
Ans. Genetics is the study of genes and heredity, specifically how traits are passed from one generation to another. It plays a crucial role in understanding species and ecological biodiversity as genetic variations within species contribute to the overall diversity of life forms in an ecosystem. Genetic diversity is essential for species' adaptability and survival in changing environments, which in turn affects the stability and resilience of ecosystems.
| 2. How does genetic diversity contribute to ecological biodiversity? | |
Ans. Genetic diversity refers to the variety of genes within a species or population. It is important for ecological biodiversity as it enables species to adapt to environmental changes, withstand diseases, and respond to natural selection. A higher genetic diversity within a population increases its chances of survival, as it enhances the overall resilience, productivity, and stability of the ecosystem.
| 3. Can genetic manipulation be used to enhance ecological biodiversity? | |
Ans. Genetic manipulation or genetic engineering techniques can potentially be used to enhance ecological biodiversity. By introducing genes from one species into another, scientists can create genetically modified organisms (GMOs) with specific traits that may benefit ecosystems. For example, GMO crops can be engineered to be more resistant to pests or environmental stressors, thereby promoting biodiversity by allowing different species to coexist in the same area.
| 4. How does species diversity impact ecological biodiversity? | |
Ans. Species diversity refers to the variety of different species within an ecosystem. Ecological biodiversity heavily relies on species diversity as it ensures the presence of a wide range of interactions, functions, and ecological niches. The more diverse the species within an ecosystem, the more stable and resilient it is likely to be, as different species contribute to various ecological processes such as nutrient cycling, pollination, and predation.
| 5. What are the potential consequences of a loss of genetic diversity for ecological biodiversity? | |
Ans. A loss of genetic diversity within a species can have negative implications for ecological biodiversity. With reduced genetic diversity, a species becomes more susceptible to diseases, environmental changes, and reduced adaptability. This can lead to a decline in population size and ultimately extinction. The loss of a species can disrupt the intricate balance of an ecosystem, affecting other species and their interactions, leading to a decrease in ecological biodiversity.
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