Which statement can be supported by the fossil record? (HINT:to be supported by the fossil record, you need evidence) 1. Humans have lived on earth throughout geologic history
2. The organisms on Earth have not changed
3. All plants and animals on earth today have always existed
4.Dinosaurs existed on Earth for more than 544 million years.

(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.

Nucleic acid certain protein cell membranes certain carbohydrates

When the solution concentration on the outside of a cell is greater than thesolution concentrate on the inside of the cell, what type of solution is the cellwithin?