A student builds a plant cell model by arranging different foods in a bowl. In this cell model, what do the different pieces of food represent? A. substances that the cell consumes
B. structures that perform different cell activities
C. tissues that are formed by different cells
D. configuration of parts during cell division

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound