Each parent gives (variation) of each trait

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

The organelle pictured is found in cells of and is theorized to have once been an independent organism.