Question 1 {5 points) A scientist believes that she has found a new life form. Which of the following conditions is NOT considered essential in determining whether the putative new life form exhibitsfshows the properties of life? 0 The creature seems to react to being touched. O The creature's body is bilaterally symmetrical. 0 It appears to have cells when viewed under a microscope O The creature possesses purposeful anatomical structures that differ from one another. Question 2 {5 points) Which of the following lists correctly presents levels of organization from most complex to simplest? 0 cell, organelle, atom, molecule 0 ecosystem, community, organelle, cell 0 macromolecule, population, community, ecosystem O biosphere, community, organism, cell Question 3 {5 points] Which of the following statements must be *FALSE'\"? 0 Species X and Y belong to the same kingdom, but different orders 0 Species X and Y belong to the same class. but different kingdoms 0 Species X and Y belong to different classes, but the same kingdom 0 Species X and Y belong to the same kingdom, but different families 0 Species X and Y belong to different orders, but the same domain Question 4 (5 points) What is the difference between prokaryotes and eukaryotes? OProkaryotes belong to either the plant or the animal kingdom; eukaryotes belong to the bacteria kingdom. OProkaryotic cells have a nucleus; eukaryotic cells do not. Eurkarytoes belong to either the plant or the animal kingdom; prokarytoes belong to the fungi kingdom. Eukaryotic cells have a nucleus; prokaryotic cells do not. Question 5 (5 points) What is an integrated explanation of numerous hypotheses known as? O A scientific fact A scientific law A control group A scientific theory An educated guessQuestion 6 (5 points) A scientist wants to test the hypothesis that a certain bird species in her backyard changes its songs to warning calls whenever it detects the presence of a potential predator. Which of the following most likely describes her initial observations? The scientist noticed that whenever she opened a door to her house, she heard birds beginning to sing. The scientist noticed that whenever she lets the cat out, the birds stop singing. Each time the scientist let her cat outside, the birds abruptly changed their songs. OThe scientist noticed that the birds only appeared at certain times of the day, always singing the same song during those times.Question 7 {5 points) The scientists who are researching the effectiveness of the HPV vaccine will test their hypothesis by separating 2,392 young women into two groups: the control group and the experimental group. Which of the following groups most likely represents the control group? O A group given a placebo O A group given nothing 0 A group deliberately infected with HPV 0 A group given the HPV vaccine Question 8 {5 points) What is the main purpose of conducting experiments? 0 proving a theory correct 0 proving a hypothesis correct 0 making initial observations 0 disproving a hypothesis Question 9 {5 points] Order the steps of the scientific method from the first step (1] to the last (II. Conduct Experiment Analyze Data Report Results State Hypothesis Make Observation Question 10 (5 points} A nutritionist would like to test whether green coffee extract will impact weight loss in middle-aged women. Which of the following is the best hypothesis for the experiment? 0 Will green coffee extract help middle-aged women lose weight? 0 Women drinking coffee will most likel'l,f lose weight. 0 Green coffee extract helps people lose weight 0 Middle-aged women taking green coffee extract pills daily will lose more weight than middle-aged women not taking green coffee extract pills. Question 11 (5 points) You have formulated a hypothesis: "Blueberries contain more vitamin C than raspberries." To test your hypothesis you measure vitamin C levels in 20 blueberries and 20 raspberries from bushes that were grown in the same area under the same environmental conditions (temperature, rain, sunlight]. What is the independent variable in this experiment? 0 The type of soil and the amount of rain 0 Vitamin C levels 0 The type of berry O The amount of sun Question 12 {5 points} What is the atomic number of an element that has 43 protons and 50 neutrons? Question 13 {5 points) Water molecules have one oxygen atom that is more electronegatiye than the two hydrogen atoms bound to it. As a result, which type of bonding holds the atoms within one water molecule together? 0 non-polar covalent bonding O polar covalent bonding O ionic bonding 0 hydrogen bonds Question 14 {5 points) Which of the following statements is true? 0 Water absorbs very little energy before its temperature rises. 0 Water absorbs a lot of energy before its temperature rises. 0 Water does not moderate temperature changes in the environment. 0 1Water does not moderate temperature changes within organisms. Question 15 (5 points) What type of chemical bond is responsible for the 3 dimensional structure of nucleic acids and proteins? 0 covalent bonds 0 ionic bonds 0 hydrogen bonds 0 non-polar covalent bonds Question 16 (5 points) ___ are atoms that have gained or lost electrons. 0 Elements 0 Molecules O Ions O Isotopes Question 17 {5 points} 9 F 19.00 Fluorine, F, has an atomic number of 9 and an approximate atomic mass of 19. How many neutrons does a fluorine atom have? Question 18 (5 points) 10 Ne 20.18 How many electrons does a neon atom have in its first shell? O 2 O 8 O 10 O 20 Question 19 (5 points) Which of the following pH values is neutral? OPH 7 O PH 10 OPH 4 OPH 2Question 20 (5 points} What are atoms that have the same number of protons but different number of neutrons called? 0 Molecules O Radioactive