Based on physical evidence, scientists have concluded that the planet earth probably formed years ago, and the first life evolved as early as years ago.

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

Wich organism obtains its energy from dead or decaying matter

In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?