BIOL 133 CHAPTER 1 QUIZ 1

Chapter 1, Week 1 Quiz Part 1 of 1 - 9.0/ 10.0 Points Question 1 of 10 1.0 / 1.0 Points A decrease in blood water levels is detected in the brain. The brain sends signals to the pituitary gland to release hormones that communicate with the kidney to reabsorb water, which will increase blood water levels. This represents what life property? Question 2 of 10 1.0 / 1.0 Points Based on levels of organization, which example represents the broadest level? Question 3 of 10 1.0 / 1.0 Points The integumentary system is composed of skin, hair, nails and glands. The skin contains areolar tissue. Areolar tissue contains fibroblast and macrophage cells. What characteristic of life does this represent? Question 4 of 10 1.0 / 1.0 Points What sequence increases in complexity for levels of biological organization? Question 5 of 10 0.0 / 1.0 Points Which is an example of a hypothesis that can explain the observation, flashlight does not work? Question 6 of 10 1.0 / 1.0 Points When a sperm uses chemical signals to navigate the swim towards the egg, it is positive response. This is a form of Question 7 of 10 1.0 / 1.0 Points Which discipline would one practice if studying the development of zygotes (fertilized eggs) in mammals? Question 8 of 10 1.0/ 1.0 Points Place the steps of the scientific method in order from beginning to end. 1) Form a hypothesis 2) Analyze the results 3) Perform the experiment 4) Form a conclusion 5) Make an observation 6) Support or reject the hypothesis Question 9 of 10 1.0/ 1.0 Points An experiment tested the health effects of a nutritional supplement by the following procedure: People were asked to choose to join the experimental group or the control group. People in the experimental group were given the supplement added to a pink, strawberry-flavored drink. People in the control group were given a glass of water. One hour later, the people were asked “Do you feel better?” Question 10 of 10 1.0 / 1.0 Points When the brain, spinal cord and nerves of the body communicate with each other, it represents the level of organization.