Looking at a cell under a microscope, you note that its a prokaryote. How do you know? a. the cell lacks cytoplasm b. the cell lacks a cell membrane c. the cell lacks a nucleus d. the cell lack genetic material

In one study, it was found that the correlation coefficient between two variables is 0.01. Which is true? a. There is almost no association between the variables. b. There is a strong negative association between the variables. c.

What hydrogen bonds are between adenine and thymine

Which statement is true about Forest resources? A they can come from either living trees or those that have been cut down. B the trees from which they come produce carbon dioxide. C they have nothing in common with ocean resources.

Which is the change in size of a group of organism of the same species over time

Which type of hydrocarbon is classified as being saturated?

Over various spans of time, human populations have increased, decreased, or remained the same, and at both global and local levels.

Name the three vessels that deliver oxygen-poor blood to the right atrium

What are small, circular pieces of dna that are often used in transformation?

Take the Global Trends Quiz. Click on "Answers" at the bottom of the quiz and check your work. What has been the trend in life expectancy in India from 1881 to present day?

What rocks will likely weather the least