What are three variables that affect a living system?

The volcanoes of Hawaii form from thin, basaltic magma that tends to erupt quietly. What is one reason for the quiet eruptions? A. Basaltic magma allows dissolved gases to bubble upward and escape. B.

E. coli causes diarrhea when food infected by this bacteria is consumed. However, E. coli also aids in the digestion of food. Which of the following statement justifies its role? E. coli function depends on quality of food. E.

Question 1 When a female bird chooses a mate because of his brightly colored feathers, this is an example of a. random mating, which maintains equilibrium in the gene pool. b. sexual selection, which alters allele frequencies in the gene pool. c.

What is the most important reason for food handlers to understand and apply food safety knowledge?

Unlike herbivores, carnivores

Which of the following would likely extend the Earth's supply of a nonrenewable resource?

How many growing seasons do plants with herbaceous stems usually survive?

What is one advantage of having many small cells instead of one large cell? A. small cells do not have cell membranes B. with many small, cells you have more surface area C. small cells do not require a stable internal environment D.

What are some of the effects of the enhanced greenhouse effect?

Which statement correctly describes an interaction of the respiratory and circulatory systems? A. Breathing speeds up when heart rate slows down. B. Breathing and heart rate slow down during exercise. C.