Prentice Hall Biology Worksheet Answers – 1 Chapter 1 Life Sciences Chapter 1 1 What is science? (Page 3 7) This section describes the objectives of science and explains the scientific knowledge of the world. What is science and what is not? (Page 3) 1. What is the goal of science? The goal of science is to investigate and understand nature. explain phenomena in terms and use these explanations to make accurate predictions 2. What is science? Science is a systematic way of using evidence to learn about the natural world. Overview (page 4) 3. What is an overview? Observation is the use of sight, hearing, touch, smell, and sometimes by gathering information 4. The Information gathered from observation is called information or data. observational analysis observational analysis, including statistical examples Seven Birds in the Barn. ideal values cannot be one a bird with a red head is easy to measure and count Translate the report (page 4) 6. What is the meaning? Inference is a logical explanation based on prior knowledge and experience. Explaining Evidence (page 5) 7. What is a hypothesis? A hypothesis is an explanation for a set of findings or answers to a scientific question. The hypothesis can only be tested 9. Is this statement true or false? Assumptions must be made that cannot be proven wrong. Guide to reading and study guide/chapter 1 5
2 Chapter 1 Science of Biology (continued) 10. What are the three ways in which hypotheses are formed? i. based on prior knowledge b. based on logical inference c. based on hypothesis 11. Circle the letters in each of the following that may be based on hypothesis testing I. This is partially true thought. but should be corrected b. the meaning is incorrect c. the hypothesis is supported d. the hypothesis has no value. The Scientific Perspective of the World (page 6) 12. What do scientists hope to discover through scientific research? Information. They believe that the basic law that governs all phenomena in the universe is 13. What values do scientists want? The features are the preference. Honesty, openness, skepticism, and acceptance of the limitations of science. Science and Human Values (page 7) 14. Is this statement true or false? Communities need to share when making decisions about scientific issues. Explaining the evolution of scientific theories. Experimental Design (p. 8 10) 1. The idea that life can come from non-living things is called genetics. Flies produce worms 3. What are the changes in the experiment? These are factors that can change. How many variables does the experiment need? Only one change can be tested at a time. This is called control 6. What is a controlled experiment? A controlled trial is an experiment in which one variable is changed and the other variable is kept the same.
Prentice Hall Biology Worksheet Answers
3 7. Complete the table of different types. Control variables Responses, definitions, variables intended to change the experiment. Variables are monitored and changed in response to managed variables 8. What are managed variables and response variables in Redi testing? and the variable that responds is whether or not the product is coming out. After a few days, the worms appeared, but nothing was found. They use it to evaluate hypotheses and draw conclusions 11. When scientists look for explanations for specific observations, what do they mean by meaning? They believe that behaviors are equal in nature. Dissemination and Innovation (p. 10 13) 12. Why do researchers think the results are reproducible? The main focus of science is nature. Reading and Learning / Chapter 1 7
Exploring Contemporary Issues In Genetics & Society: Karyotyping, Biological Sex, & Gender
4 Chapter 1 Science of Biology (continued) 13. What did Anton van Leeuwenhoek discover? He discovered a world of microscopic organisms in rainwater, lake water, and soil that he called animal dung. Redi and Needham’s work? He boiled two buckets of tea, hoping that the boiling would kill the microorganisms that were there. He designed a special box that shows how long the broth is protected from microbes. Life will be lacking. if the experiment is not possible (p. 14) 17. In animal studies. Why do researchers often try to do without exposing animals to human life? Do you want to learn how animals in nature interact with each other? It is necessary to observe these animals without disturbing them. Why do researchers try to identify as many variables as possible? They show so many things that most of the species can be treated. How did the idea evolve?(p. 14 15) 19. The idea that new life comes from living things is called biological creation 20. What is science? A theory is a proven explanation that brings together various facts 21. Is the following statement true or false? Ideas can be changed and modified with appropriate explanations. True Reading Activities Travel diaries can help you remember how events happened or didn’t happen. Create a flow chart on separate paper that shows Redi’s process in investigating his incident. This process is described below. web page test design For more information about flow charts Please see the information set in Appendix A of your textbook. The whole class of the student should start with Redi presenting the hypothesis and end with him summarizing how the bulb works.
5 Unit 1 3 Life Lesson (pages 16 22) This unit describes some types of living things. It also explains how to study life at different levels. Biology is a science that seeks to understand the living world. Characteristics of living things (pages 16 20) 2. What are the parts? A group of organisms surrounded by barriers that separate the cell from its surroundings. trillions of cells c. Unicellular organisms are multicellular d. Organisms consist of cells 4. What are the two types of asexual reproduction? One. Single organisms split into two groups to create two new organisms b. Part of the body is divided into new organisms 5. Organisms are based on the universal genetic code 6. Body cycle. Letters to each paragraph are true about living things a. The life cycle of many organisms involves development b. All living things grow for at least part of their lives c. Every living thing has a cycle. 7. Why do living things need energy and a constant supply of things? Living things use energy and nutrients for growth, development and reproduction 8. What is metabolism? It is a combination of the body’s responses to make or break things while living 9. Is this statement true or false? All living things respond to their environment in the same way. It is the process by which the body maintains a stable internal state. Reading and Study / Chapter 1 9
6 Chapter 1 Science of Biology (cont.) 11. Groups of Organisms Evolve Over Time The Branch of Biology (pages 20 21) compares the different types of organisms in the focus of the study. types of organisms Study d 12. Zoologist a.
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