The provided list describes various threats to the environment and biodiversity. Here's a breakdown of each point and its impact: 1. Introduction of harmful chemicals to the water system: - Impact: This can lead to water pollution, harming aquatic life, disrupting ecosystems, and potentially affecting human health through contaminated drinking water. 2. Unknown regions of the ecosystem which may harbor unknown species: - Impact: Exploration and development in these areas can lead to habitat destruction and the extinction of undiscovered species before they are even identified. 3. This cause affects the development of plants and animals as in stunted growth: - Impact: This refers to the negative effects of environmental factors on the growth and development of organisms. It can be caused by pollution, climate change, or habitat degradation. 4. The area near the crater of Mayon Volcano cannot support vegetation: - Impact: Volcanic activity can create harsh conditions, making it difficult for plants to survive. This can lead to barren landscapes and reduced biodiversity. 5. Native mudfish has decrease in population because of the introduction of more sturdy foreign species: - Impact: This is an example of invasive species. Introduced species can outcompete native species for resources, leading to population declines and even extinction. 6. Alligator skins are being used for the manufacture of belts and bags: - Impact: This is an example of overexploitation. Hunting and killing alligators for their skin can lead to population decline and disrupt the ecosystem. 7. More intense typhoon has resulted to death of species: - Impact: Climate change can lead to more extreme weather events, like intense typhoons. These events can cause habitat destruction and kill off species, impacting biodiversity. 8. Elephants are being killed for the ivory tusks: - Impact: This is another example of overexploitation. The illegal poaching of elephants for ivory can lead to population decline and even extinction. 9. Warm climate supports the growth of parasite and bacteria: - Impact: Climate change can create warmer temperatures, which can favor the growth and spread of parasites and bacteria. This can lead to increased disease outbreaks in both humans and animals. 10. Humans are employing slash and burn to clear some natural habitat to agricultural lands: - Impact: Slash-and-burn agriculture is a destructive practice that clears forests for farming. It releases harmful pollutants into the atmosphere, contributes to climate change, and destroys habitats, leading to biodiversity loss. Overall, these points highlight the numerous threats to the environment and biodiversity. Human activities, such as pollution, overexploitation, and habitat destruction, are major contributors to these threats. It is crucial to address these issues to protect the planet and its diverse life forms.