1. One reason is extinctions happen because of some kind of change in the environment where a life form lives. While some species can adapt to the changes, others die, and if enough die, the species becomes extinct. These are some of the biggest factors in the extinctions of particular species. 2. Contaminants in the environment, such as pesticides.
This question doesn't make since. it could mean its death rate is lower than its birth rate or it could mean just expansion
Answer:
the formation of new and distinct species in the course of evolution.
I would say d,c sorry if im wrong
When you breathe your diaphragm contracts and moves downwards. This increases the space in your chest cavity, and it allows your lungs to expand into it. This is beneficial because it decreases pressure and drives air into our lungs
