Final Exam BSC 1010C 178 Study Guide Questions with Complete Solutions

Final Exam BSC 1010C 178 Study Guide Questions with Complete Solutions Whether the external temperature is hot or cold, birds maintain an internal body temperature of approximately 40°C. This is an example of ____. - Correct Answer homeostasis Which is responsible for encoding the proteins found in a cell? - Correct Answer genome Which level of organization includes all of the others in the list? - Correct Answer population Molecules are made up of ____. - Correct Answer atoms In the process of biological evolution, new species may evolve through exchange of genes from one species to another. This process is called ___ - Correct Answer horizontal gene transfer. T or F: Vertical evolution, whereby living organisms evolve from a common ancestor ("tree of life"), is the only mechanism of evolution on Earth. - Correct Answer False What is the appropriate order of the stages of investigating whether maple trees drop their leaves in the autumn because of colder days? (1) Maple trees are grown in 2 greenhouses where the only variable is temperature (15°C vs. 10°C). (2) The hypothesis is rejected. (3) There is no statistical difference in the number of leaves dropped at 10°C as compared to 15°C. (4) The observation is that maple trees drop their leaves in autumn. (5) The hypothesis is that maple trees drop their leaves because of colder temperatures - Correct Answer 4, 5, 1, 3, 2 T or F: Discovery-based science and hypothesis testing are the two major scientific approaches that help us understand biology. - Correct Answer True Collecting data without a specific hypothesis in mind is called ____. - Correct Answer discovery-based science A scientist proposes that bulls can only see the color red. An experiment is created to test this statement. The experiment is performed in Mexico and 6 different bulls are used. Each bull is exposed to a flapping sheet of color in red, blue, green, purple, black, and yellow. The scientist then records the actions of each of the 6 bulls as the different colors are put in front of them. The bulls only react to the color red. The scientist can conclude that bulls do, in fact, only see the color red. What is the independent variable? - Correct Answer the colors of the sheets