Which term refers to a fact that naturally occurs in the universe?
a)scientific law
b)scientific inquiry
c)conclusion
d)hypothesis

In sexual reproducing animals once fertilization of the egg takes place, the exists as a single cell until cell division begins. a) egg b) larva c) sperm d) zygote

(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.

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this