Within the Phylum Mollusca, what is the radula?
A. the organ that grinds up food before digestion
B. the organ that turns into the shell of the animals
C. the organ that circulates blood through the organism

Put each tile to the correct location. categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. 1) scientific theories 2) both 3) scientific hypothesis a). a tentative statement used to guide scientific investigations b). makes predictions about future events c). can be tested many independent researches d). based on observations of natural phenomena e) . a well-established highly reliable explanation