5. A suggested and testable explanation for an event is called a 1. hypothesis
2. variable
3. theory
4. control

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Explain how the political influence of african americans leaders became weaker.

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously