Answer:
In secondary succession, a previously occupied area is re-colonized following a disturbance that kills much or all of its community. A classic example of secondary succession occurs in oak and hickory forests cleared by wildfire. Wildfires will burn most vegetation and kill animals unable to flee the area.
Answer:
particles are going to move in
<span> barriers such as dead skin cells and mucus</span>
The first answer is species and the second answer is C