Apatient wearing a monitor wears a small portable ecg monitoring device for a period of 24 hours

(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.

How does a gymnosperm prevent itself from pollinating the same tree

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins