BIOL 1406: Final Exam Review questions with 100% correct answers

BIOL 1406: Final Exam ReviewThe method of reasoning that uses construction of general principles by careful examination of many specific cases is called - correct answer inductive reasoning Experiments are carried out to test a hypothesis by changing one variable at a time and including an unchanged variable termed a(n) - correct answer control If you were to design a long-term research study to determine why there are no human births in Lapland during the months of August, September, and October, you would need to also examine a comparison population of humans in which births took place every month. The primary reason for including a comparison population within the design of this experiment would be to - correct answer act as a control that would ensure that the results obtained are due to a difference in only one variable. You have been assigned to analyze some extraterrestrial material recently collected from Mars. After examining a sample using a microscope, you jump up excitedly and shout to your colleagues that you have confirmed the existence of life on Mars. One of your colleagues takes a look at your sample and remarks that all he sees is a single-celled "blob" with little internal structure. Assuming that life on Mars can be classified into similar domains and kingdoms as Earth, to which domain does your "blob" belong? - correct answer Archaea Osmometer cells in the brain sense an increase in the salt concentration of plasma. This information is sent to the hypothalamus, which notifies the pituitary gland to release the hormone, ADH. ADH causes the kidney to save water, which lowers the salt concentration of the plasma. What characteristic of life does this overall pathway represent? - correct answer Homeostasis A chemical imbalance in the blood can cause the heart to stop pumping blood, which will have a detrimental effect on other organs. This observation can be attributed to: - correct answer emergent properties A student set up an experiment to test if plants give off water vapor. Fifty pea plants, growing in pots, were covered with individual glass containers and left overnight. The next morning, the inside of each lid was covered in droplets of water. The lab student concluded that plants generally give off water vapor. What critique would you make of the experimental design? - correct answer There was no control so the water could have come from other sources such as air in the jar or the soil.