Chapter 1 The Science of Biology Review Questions
Section 1-1:What is Science?:
1. What is the goal of science? __________________________________________________
2. Define science. _____________________________________________________________
3. What is an observation? ______________________________________________________
4. The information gathered from an observation is called ____________.
5. Complete the given table:
Type of data
Data involves…
Example
Numbers
Characteristics that cannot be
easily measured or counted
6. What is an inference? ________________________________________________________
7. What is a hypothesis? ________________________________________________________
8. In science, a hypothesis is useful only if it can be ____________.
9. True or False: A hypothesis should be stated in such a way that it can never be proved
wrong. _________
10. List 3 sources you can get a hypothesis from:
______________________
______________________
______________________
11. What may be an outcome of testing a hypothesis? (may have more than one answer)
a. The hypothesis is partly true but needs to be revised
b. The hypothesis is wrong
c. The hypothesis is supported
d. The hypothesis is of no value
12. True or False: A community can use its shared values to make decisions about
scientific issues. ____________
Section 1-2: How Scientists Work:
1. The idea that life can arise from nonliving matter is called _________________________.
2. What was Francesco Redi’s hypothesis about the appearance of maggots? __________
___________________________________________________________
3. What are variables in an experiment? ___________________________________________
4. How many variables should an experiment test at a time? _____________
5. What is a controlled experiment? ______________________________________________
___________________________________________________________________________
What are the controls of this
experiment? ________________
___________________________
What is the manipulated
variable? ___________________
What was the responding
variable? ___________________
___________________________
6.
7. Complete the table about variables:
Type of variable
Definition
Manipulated variable
Responding variable
8. What doe scientists use the data from a controlled experiment for? _________________
__________________________________
9. What did Anton van Leeuwenhoek discover?
_____________________________________
10. How did Louis Pasteur finally settle the spontaneous generation argument? _________
________________________________
11. What is a theory? ___________________________________________________________
12. True or False: A theory may be revised or replaced by a more useful explanation. _____
Section 1-3: Studying Life:
1. What is Biology? ______________________________________
2. What is a cell? ______________________________________________________________
3. Circle the letter of each sentence that is true about cells
a. A cell is the smallest unit of an organism that can be considered alive.
b. A multicellular organism may contain trillions of cells.
c. A living thing that consists of a single cell is a multicellular organism.
d. Organisms are made up of cells.
4. What are 2 types of asexual reproduction? ________________ and _________________
5. Circle the letter of each sentence that is true about living things.
a. The life cycle of many organisms involves development.
b. For bacteria, growth is mostly a simple increase in size.
c. Each type of organism has a distinctive life cycle.
d. Cells may change in number but never differentiate.
6. Why does an organism need energy and a constant supply of materials? _____________
_________________________
7. What is metabolism? ________________________________________________________
___________________________________________________
8. True or False: All organisms respond to the environment in exactly the same ways.
___________
9. What is homeostasis? _______________________________________________________
10. A group of organisms that changes over time is said to ______________.
11. Match the different kinds of biologists with the focus of their study:
______ Zoologist
______ Botanist
______ Paleontologist
a. Plants
b. Ancient life
c. Animals
12. Label each of the illustrations below according to the level of study represented:
_________________
_________________
_______________
13. The largest level of biological study is the _______________.
Section 1-4: Tools and Procedures:
1. When collecting data and doing experiments, what system of measurement do most
scientists use? _____________________
2. What is the metric system? ___________________________________________________
3. Complete each equation by writing the correct number or metric unit:
a. 1000 meters = 1 ___________
b. 1 liter = ____________ milliliters
c. 1 gram = ________ milligrams
d. 1000 kilograms = 1 _____________
4. When scientists collect data, what are they often trying to find out? ________________
_______________________
5. What does a graph of data make easier to recognize and understand than a table of
data? ______________
6. What are microscopes? _____________________________________________________
___________________________________________________
7. What are compound light microscopes? _______________________________________
_________________________________________
8. How do chemical stains make light microscopes more useful? ____________________
___________________________
9. What are the two main types of electron microscopes?
______________________________________
______________________________________
10. Compare how a TEM and SEM produce images. __________________________________
___________________________________________________________________________
___________________________________________________________________________
11. How must samples be prepared for observation by an electron microscope? _________
_____________________________________________________________________
12. A group of cells grown in a nutrient solution from a single original cell is called a(an)
___________________________
13. What technique do biologists use to separate one part of a cell from the rest of the cell?
________________________________
14. What is the single most important rule for your safety while working in a laboratory?
_______________________________________________________________________