Following a forest fire in Yosemite National Park, trees start to re-grow throughout the area. What kind of succession occurred here? How do you know?

Me with these questions if you’re it sure don’t answer

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )