What is the role of a pioneer species in primary succession?
a. to destroy parasites
b. to create shade
c. to provide fruit
d. to create the soil

Can someone i have no idea of how to do this.

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

Ture or false evidence for evolution includes millions of fossils