Do cơ thể chỉ gồm một tế bài nên hầu hết tế bào nhân sơ có kích thước lớn hơn tế bào nhân chuẩn

White-tailed deer are considered to be an overpopulated species in the central united states. which of these events probably contributed the most to white-tailed deer exceeding their carrying capacity?

What is the importantence of the carbon and nitretan cycles in the environment

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels