Answer:
1. The main modern causes of extinction are the loss and degradation of habitat (mainly deforestation), over exploitation (hunting, overfishing), invasive species, climate change, and nitrogen pollution.
2. Changes in the environment may make the species hardly survive with the temperature, and their habitat. Some changes here is in the temperature, when the greenhouse gets thicker, our Earth will be warmer. It has many effects to the nature, and even on us, humans.
sana po naka tulong (^•^)
