Which does the letter a represent in the diagram?

Did you know that a blue wales tongue weighs more than an elephant?

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

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