1. Why is the partial pressure of carbon dioxide in the blood higher than the partial pressure of carbon dioxide in the atmosphere?
2. (A) how does the body respond if a person moves to a higher altitude?
(B) how do athletes use this information

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations

What are levels of ecology and how can we remember them