Math

CHAPTER REVIEWS
Chapter 1:
Chapter Review Lesson 1 Pg. 30
1. The set of skills or steps that scientist use to answer questions is the scientific method.
2. After recognizing a problem or asking a question, life scientists form one or more hypothesis, which are possible explanations for what has been observed.
3. In a controlled experiment, the variable is the one factor that differs betweenthe control group and the experimental group.
4. Area is a measure of how much surface an object has.
5. Life scientists use grams to describe the measurements of an object´s mass.
6. Which of the following would not be an area of study in life science? D) Studying how volcanoes are formed
7. The steps of the scientific method C) are not always used in order.
8. In a controlled experiment, A)a control group is compared with one or more experimental groups.
9. When a scientist finds that a hypothesis is wrong, the scientist usually
A) Tries to find another explanation for what has been observed.
10. What tool would a life scientist use to get a three-dimensional image of a microscopic organism? C) Scanning electron microscope
11. The International System of Units is based B) onstandardized body measurements.
Chapter Review Lesson 2 Pg. 48
1. The process of maintaining a stable internal environment is known as homeostasis
2. The resemblance of offspring to their parents is a result of heredity.
3. A consumer obtains food by eating other organisms.
4. Starch Is a ~ and is made up of ~
5. Fats and oils are ~
6. Cells A) are the structures that contain all of thematerials necessary for life, B) found in all organisms, C) and sometimes specialized for particular functions.
7. Which of the following is a true statement about all living things?
B) They have one or more cells.
8. Organisms must have food because A) food is a source of energy.
9. A change in an organism’s environments affects the organism´s activities is a B) stimulus
10. Organisms storeenergy in C) lipids
11. The molecule that contains the information on how to make proteins is C) DNA
12. The subunits of nucleic acids are ~

Chapter Review Lesson 3 Pg. 78
1. The cell wall of plant cells is made of cellulose
2. Having membrane-covered organelles is a characteristic of Eukaryotic.
3. The information for how to make proteins is located in the nucleus.
4. The two organellesthat can generate ATP in a plant cell are ~ and ~
5. Vesicles that will transport materials out of the cell are formed at the Golgi complex.
6. Which of the following is not found in animals cells? A) Cell wall.
7. Different tissues work together in an organ. B) Tissues
8. Which of the following refers to all of the organisms in a particular area? C) Community
9. The scientist who said that allcells come from cells was named A) Virchow.
10. Which of the following are not covered by a membrane? C) Ribosomes
11. Which of the following contain enzymes that can break down particles in vesicles? Lysosomes

Chapter Review Lesson 7 Pg. 170
1. One species evolves into another through the process of adaptation.
2. A group of similar organisms that can mate with one another to produceoffspring is known as a species.
3. An adaptation helps an organism survive better in its environment.
4. Evolution is the process by which populations change over time.
5. In selective breeding, humans select traits that will be passed from one generation to another.
6. A change in a gene at the DNA level is called a mutation.
7. Although Darwin did not realize it, the variations he observedamong the individuals of a population of finches were caused by B) genetic resistance.
8. The theory of evolution combines the principles of D) natural selection and genetic resistance.
9. Fossils are commonly found in A) sedimentary rock.
10. A human´s arm, a dolphin´s front flipper, and a bat´s wing have A) similar kinds of bones.
11. The fact that all organisms have DNA as their genetic...