About how many microbial cells are there on Earth?
Estimated to be 2.5x1030 microbial cells on Earth.
Not too easy. Not too difficult.
I wish I knew a lot about older people before taking the course because it would make more sense. But, I highly recommend the course because it teaches you a lot about the aging process.
The highlights of this course are older human beings. In this course, I have learned that just because your old your going to have a disease. At any age you can prevent diseases.
Hours per week:
Advice for students:
In this course, to succeed you just have to read the book that is required for you to order and study the chapters and key points because the professor will give an exam on the chapters.