Here's No. 2 Prior to the 1960s, What did people think controlled the number of herbivores in a food web?

Why aren't the stains like crystal violet and safranin washed away with water during simple staining?

(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 transport tubes from food came down the plant are called?