Present one example of a human activity that threatens
ecosystems and biodiversity.

One example is overpopulation. Meaning the more people there are in a place, the more room there needs to be. This then leads to deforestation, destroying animals habitats forcing them to leave. The more animals that leave, the less animal diversity there is.

it would lead to upper respiratory infections and pneumonia.

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint