trimester 1 review
Modified True/False
Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.
____ 1. Temperature increases when particles are moving faster on average. _____________________
____ 2. A variable is a prediction that can be tested with an experiment. _____________________
____ 3. Control variables are those that are changed in an experiment. _____________________
____ 4. When you are determining how much space something takes up you are finding its area. _____________________
____ 5. The smallest units of living things are organs. ____________________
____ 6. All organisms are made up of two or more cells. ____________________
____ 7. The energy stored in the molecules of living things is stored as radiant energy. ____________________
____ 8. Organ systems are composed of specialized tissues working together. ____________________
____ 9. Variables such as temperature, climate, and oxygen levels affect living systems. ____________________
____ 10. Mushrooms, mold and yeasts belong in the Kingdom Fungi. ____________________
____ 11. Beetles and worms belong to the Kingdom Protista. ____________________
____ 12. Mosses, ferns, and trees are classified in three kingdoms. ____________________
____ 13. An organism’s scientific name consists of its genus and species. ____________________
____ 14. As the levels of classification get smaller, organisms share less characteristics. ____________________
____ 15. Organisms in the same order have more in common than those in the same family. ____________________
____ 16. All Protists have eukaryotic cells. ____________________
____ 17. Organisms belonging to the same family are always able to produce offspring together. ____________________
____ 18. A dichotomous key is made of a series of steps, each consisting of four statements. ____________________
Completion
Complete each statement.
Select the correct term to complete each sentence. There are extra terms in the list.
|
graph |
x |
theory |
|
y |
meniscus |
dependent |
|
length |
analysis |
mass |
|
scientific method |
matter |
quantity |
|
variable |
unit |
volume |
|
life |
English System |
International System of Measurement |
19. ____________________ is a measurement of distance.
20. ____________________ is the amount of matter in an object.
21. The curved surface of water in a graduated cylinder is called a ____________________.
22. Anything that has mass and takes up space is known as ____________________.
23. The set of standard units of measurement used by scientists around the world is known as the __________________________________________________.
24. When you measure the length of a fish to be 12 cm, centimeters is called a(n) ____________________.
25. Biology is the study of ____________________.
26. The process that scientists use to answer all questions is called the ______________________________.
27. A factor that affects how a system works is called a ____________________.
28. The detailed explanation of the results of an experiment is called the ____________________.
29. An explanation of how a process is thought to occur is called a(n) ____________________.
30. A picture that shows how two variables are related is called a(n) ____________________.
31. On a graph, the independent variable is drawn on the ____________________-axis.
32. The variable that may be influenced by the independent variable is the ____________________ variable.
Select the correct term to complete each sentence. There are extra terms in the list.
|
radiant |
homeostasis |
reproduction |
|
cells |
growth |
tissue |
|
molecules |
reproduction |
organism |
|
organs |
energy |
stimulus |
33. The process of making the same kind of organisms to replace ones that have died is known as____________________.
34. An increase in the mass and the number of cells in an organism’s body is called ____________________.
35. Microwaves, X rays, radio waves, and light are examples of ____________________ energy.
36. Mechanical, chemical, and nuclear are all examples of types of ____________________.
37. All living things are made up of building blocks called ____________________.
38. A group of cells working together to do a specific job is known as ____________________.
39. Your heart, lungs, and stomach are all types of ____________________.
40. Your body’s process of maintaining a life-supporting internal environment is called ____________________.
41. Cells are made up of different types of ____________________, such as carbohydrates and proteins.
42. Some people sneeze when they first walk out into bright sunlight. The sunlight is a ____________________.
Select the correct term to complete each sentence. There are extra terms in the list.
|
Charles Darwin |
genus |
dichotomous key |
|
Carolus Linnaeus |
taxonomy |
prokaryotic |
|
Protista |
eukaryotic |
bacteria |
|
Animalia |
family |
species |
|
producers |
|
|
|
|
|
|
43. Organisms classified in the Kingdom Archaebacteria include single-celled organisms called ____________________.
44. The name of the Swedish scientist who developed the system for classifying living organisms is ______________________________.
45. The science of classifying and identifying living organisms is called ____________________.
46. The scientific name for a cat is Felis domesticus. Felis is the ____________________.
47. Complex cells from which some plants and animals are made are called ____________________ cells by scientists.
48. Organisms belonging to the Kingdom ____________________ can be either single-celled or multicellular. Some can even make their own food.
49. If something is composed of simple cells, it is referred to as ____________________.
50. A tool that helps its user to identify and classify natural objects like birds, trees, rocks, fungi, and insects is the ______________________________.
51. Because organisms belonging to the Kingdom Plantae carry on a process known as photosynthesis, they are considered to be ____________________.
Short Answer
52. List the steps that scientists use to answer questions or solve problems.
53. Your friend Julio is reading an article on the changes in the ocean’s conditions and is confused when the article says that instead of 35 ppt (parts per thousand) of salt, there is now 30 ppt salt. Help Julio by defining parts per thousand. Be sure to use 30 ppt in your definition.
54. Anthony set up an experiment to test the effect of water temperature on the swimming speed of goldfish. He used 4 different water temperatures and rotated 3 different goldfish through the temperatures. While the goldfish were in the water he recorded observations on the swimming speed and behavior of the fish.
a. What is the experimental variable in this experiment?
b. What is one control variable in this experiment?
c. Write a hypothesis for what Anthony may be testing.
Figure 1-1 shows the effect of temperature on plant growth.
55. According to Figure 1-1, what temperature is best for the plant growth? Explain why you chose that temperature.
56. What is the independent variable for the graph in Figure 1-1?
57. What is energy?
58. List 3 characteristics of ALL living things.
59. Explain how energy is being changed from one form into another in the following diagram.
60. Describe how a living organism:
a. converts radiant energy to chemical energy.
b. converts chemical energy to mechanical energy.
61. Is an organ an organism? Why or why not?
62. Name at least 3 variables that affect your ability to stay alive.
63. What are 3 questions scientists ask when classifying organisms into one of the 6 Kingdoms.
64. Why are organisms classified?
65. One system of classification groups all living things into one of six kingdoms.
a. Name the 6 kingdoms used to classify living organisms.
b. Name 1 example organism for each kingdom.
66. Explain why one dichotomous key could not be used to identify all organisms on Earth.
|
White Tailed Deer |
Black Bear |
Mountain Lion |
Gray Squirrel |
|
75 kg |
100 kg |
60 kg |
0.5 kg |
Figure 3-1
Dichotomous Key
|
1a. |
Antlers present............................................................................White Tailed Deer |
|
1b. |
Antlers not present.................................................................................go to step 2 |
|
|
|
|
2a. |
Tail long.................................................................................................go to step 3 |
|
2b. |
Tail short................................................................................................Black Bear |
|
|
|
|
3a. |
Mass greater than 10 kg...................................................................Mountain Lion |
|
3b. |
Mass less than 10 kg..........................................................................Gray Squirrel |
................. 67. According to the dichotomous key in Figure 3-1, what is a common feature of both the gray squirrel and the mountain lion?
68. Using the dichotomous key in Figure 3-1, what is the animal that has no antlers and a short tail?
69. The dichotomous key begun below should allow users to classify the organisms pictured. Complete the key using only the information shown in the illustrations.
Dichotomous Key
1a. Wings present Fly
1b. Wings not present go to step 2
2a. _______________________________________________________________
2b. _______________________________________________________________
3a. _______________________________________________________________
3b. _______________________________________________________________
Problem
70. If your dog has a mass of 5600 grams, how many kilograms does this equal?
71. 
Your teacher has taken you outside to study the populations of organisms in a particular area. They have assigned you a plot that is 4 m ´ 4 m. What is the area of your assigned plot?
72. 
You just got a new fish tank and you need to determine the maximum volume that the tank can hold before you set it up. The dimensions of your tank are 75 cm ´ 25 cm ´ 45 cm. What is the volume of your new tank?
Essay
73. Why is it important to include units whenever you describe a measurement?
74. Design an experiment to test the effects of different amounts of light on pea plant growth. Your experiment should follow the general format of the scientific method. Include a labeled diagram to show the experimental variable used in the experiment.
75. An inexperienced mechanic has published a report on an Internet site claiming that a certain new automobile is actually a living organism.
a. Give 1 reason why an automobile could qualify as a living organism.
b. Give 2 reasons why an automobile does NOT qualify as a living organism.
c. Is an automobile a living organism?
76. “The Sun is the source for nearly all of the energy on Earth.” Based on this statement, the Sun is the original source of the energy that Lyssa needs to pedal her bicycle up a hill.
The Sun’s energy must be converted into a form of energy that is available to Lyssa to pedal her bike. Describe at least 2 different energy conversions to get from the Sun’s energy to Lyssa’s energy.
77. Explain what might happen to an organ system, such as the digestive system, if one organ in the system stopped working properly.
78. After running a 400-meter race the body of the runner tries to re-establish homeostasis.
a. Name 1 way in which homeostasis may be upset.
b. Name a response by the body to re-establish homeostasis.
79. Explain why organisms in the Kingdom Animalia depend on organisms in the Kingdom Plantae for survival.
80. Explain how scientists create a key to identify organisms.
81. A system was developed to identify and classify living things. Explain how organisms are classified and why classification is important for scientists.
Other
82. In science class, a seed was planted. As the seed grew, students made observations about how much it grew over 8 days.
|
Days |
Growth (cm) |
|
1 |
0 |
|
2 |
2 |
|
3 |
4 |
|
4 |
7 |
|
5 |
8 |
|
6 |
10 |
|
7 |
11 |
|
8 |
13 |
|
a. |
What would be the best type of graph to use for this data set? |
|
b. |
What is the dependent variable for the graph? |
|
c. |
Create a graph based on the above data set. Make sure your graph has the proper parts (title, labels with units, data points, best fit curve.) |
83. Draw a diagram to show how “levels of organization” are characteristics of multicellular organisms and NOT single-celled organisms.
trimester 1 review
Answer Section
MODIFIED TRUE/FALSE
1. ANS: T PTS: 1 DIF: basic
REF: section 1.1
2. ANS: F, hypothesis
PTS: 1 DIF: basic REF: section 1.2
3. ANS: F, Experimental
PTS: 1 DIF: basic REF: section 1.2
4. ANS: F, volume
PTS: 1 DIF: basic REF: section 1.2
5. ANS: F, cells
PTS: 1 DIF: basic REF: section 2.1
6. ANS: F
one
1
PTS: 1 DIF: basic REF: section 2.1 | section 2.2
7. ANS: F, chemical
PTS: 1 DIF: intermediate REF: section 2.1
8. ANS: F, organs
PTS: 1 DIF: basic REF: section 2.2
9. ANS: T PTS: 1 DIF: intermediate
REF: section 2.2
10. ANS: T PTS: 1 DIF: basic
REF: section 3.1
11. ANS: F, Animalia
PTS: 1 DIF: basic REF: section 3.1
12. ANS: F
one
1
PTS: 1 DIF: basic REF: section 3.1
13. ANS: T PTS: 1 DIF: basic
REF: section 3.1
14. ANS: F, more
PTS: 1 DIF: basic REF: section 3.1
15. ANS: F, less
PTS: 1 DIF: intermediate REF: section 3.1
16. ANS: T PTS: 1 DIF: intermediate
REF: section 3.1
17. ANS: F, species
PTS: 1 DIF: intermediate REF: section 3.1
18. ANS: F
two
2
PTS: 1 DIF: basic REF: section 3.2
COMPLETION
19. ANS: Length
PTS: 1 DIF: basic REF: section 1.1
20. ANS: Mass
PTS: 1 DIF: basic REF: section 1.1
21. ANS: meniscus
PTS: 1 DIF: basic REF: section 1.1
22. ANS: matter
PTS: 1 DIF: basic REF: section 1.1
23. ANS: International System of Measurement
PTS: 1 DIF: basic REF: section 1.1
24. ANS: unit
PTS: 1 DIF: basic REF: section 1.1
25. ANS: life
PTS: 1 DIF: basic REF: section 1.2
26. ANS: scientific method
PTS: 1 DIF: basic REF: section 1.2
27. ANS: variable
PTS: 1 DIF: basic REF: section 1.2
28. ANS: analysis
PTS: 1 DIF: basic REF: section 1.2
29. ANS: theory
PTS: 1 DIF: basic REF: section 1.2
30. ANS: graph
PTS: 1 DIF: basic REF: section 1.2
31. ANS: x
PTS: 1 DIF: basic REF: section 1.3
32. ANS: dependent
PTS: 1 DIF: basic REF: section 1.3
33. ANS: reproduction
PTS: 1 DIF: basic REF: section 2.1
34. ANS: growth
PTS: 1 DIF: basic REF: section 2.1
35. ANS: radiant
PTS: 1 DIF: basic REF: section 2.1
36. ANS: energy
PTS: 1 DIF: basic REF: section 2.1
37. ANS: cells
PTS: 1 DIF: basic REF: section 2.1 | section 2.2
38. ANS: tissue
PTS: 1 DIF: basic REF: section 2.2
39. ANS: organs
PTS: 1 DIF: basic REF: section 2.2
40. ANS: homeostasis
PTS: 1 DIF: basic REF: section 2.2
41. ANS: molecules
PTS: 1 DIF: intermediate REF: section 2.2
42. ANS: stimulus
PTS: 1 DIF: intermediate REF: section 2.2
43. ANS: bacteria
PTS: 1 DIF: basic REF: section 3.1
44. ANS: Carolus Linnaeus
PTS: 1 DIF: basic REF: section 3.1
45. ANS: taxonomy
PTS: 1 DIF: basic REF: section 3.1
46. ANS: genus
PTS: 1 DIF: basic REF: section 3.1
47. ANS: eukaryotic
PTS: 1 DIF: intermediate REF: section 3.1
48. ANS: Protista
PTS: 1 DIF: intermediate REF: section 3.1
49. ANS: prokaryotic
PTS: 1 DIF: intermediate REF: section 3.1
50. ANS: dichotomous key
PTS: 1 DIF: basic REF: section 3.2
51. ANS: producers
PTS: 1 DIF: intermediate REF: section 3.1 | section 3.2
SHORT ANSWER
52. ANS:
1. Make observations or research something.
2. Ask a question or state a problem.
3. State a hypothesis.
4. Test the hypothesis with an experiment.
5. Draw conclusions based on the test.
PTS: 1 DIF: basic REF: section 1.2
53. ANS:
Parts per thousand (ppt) refers to levels of dissolved substances in water. If the ocean measures 30 ppt of salt that means there are 30 grams of dissolved salt in every 1,000 grams (or liter) of water.
PTS: 1 DIF: advanced REF: section 1.2
54. ANS:
a. Temperature of water.
b. Water source, goldfish
c. Goldfish swim faster in warmer water.
PTS: 1 DIF: advanced REF: section 1.2
55. ANS:
22şC, because the most plants sprouted at that temperature.
PTS: 1 DIF: intermediate REF: section 1.3
56. ANS:
temperature
PTS: 1 DIF: intermediate REF: section 1.3
57. ANS:
Energy is the ability to do work or to cause a change.
PTS: 1 DIF: basic REF: section 2.1
58. ANS:
Answers may vary. Correct answers will include 3 of the following:
All living things:
1. Reproduce
2. Respond to stimuli
3. Use energy
4. Are made of cells
5. Grow and develop
PTS: 1 DIF: basic REF: section 2.1
59. ANS:
Sunlight is a type of radiant energy and is captured by the plants. This radiant energy is stored and converted to chemical energy through the process of photosynthesis. The plant uses chemical energy to grow.
PTS: 1 DIF: intermediate REF: section 2.1
60. ANS:
Answers may vary. Correct answers may include:
|
a. |
Plants convert radiant energy from the sun into chemical energy stored as sugars and starches using the process of photosynthesis. |
|
b. |
Plants convert their stored chemical energy of sugars and starches into mechanical energy for their growth and life processes. |
|
|
Animals convert the stored energy in plants into mechanical energy for movement and growth. |
PTS: 1 DIF: advanced REF: section 2.1
61. ANS:
An organ is not an organism because it is not independently functioning. It is part of a larger organism.
PTS: 1 DIF: basic REF: section 2.2
62. ANS:
Answers may vary.
1. Outside temperature
2. Food supply
3. Oxygen supply
4. Level of air pollution
PTS: 1 DIF: basic REF: section 2.2
63. ANS:
1. Does it have prokaryotic or eukaryotic cells?
2. Is it single-celled or multicellular?
3. Does it get energy making its own food or by getting food from other organisms?
PTS: 1 DIF: basic REF: section 3.1
64. ANS:
Organisms are classified in order to arrange living things by similar characteristics so that scientists may more easily study and understand the relationships between organisms.
PTS: 1 DIF: intermediate REF: section 3.1
65. ANS:
Example answers are given for each kingdom.
Kingdom Plantae - grass, tree, algae
Kingdom Animalia - bird, fish, reptile, insect, mammal
Kingdom Protista - slime molds, euglenoids, amoeba
Kingdom Fungi - yeast, mushrooms
Kingdom Eubacteria - primitive bacteria found in hot springs or deep sea vents
Kingdom Archaebacteria - true bacteria; many infections and diseases are caused by bacteria
PTS: 1 DIF: intermediate REF: section 3.1
66. ANS:
Each organism is identified by its genus and species. Since there are millions of organisms, the key would have to be huge and difficult to use.
PTS: 1 DIF: intermediate REF: section 3.2
67. ANS:
long tails
PTS: 1 DIF: intermediate REF: section 3.2
68. ANS:
black bear
PTS: 1 DIF: intermediate REF: section 3.2
69. ANS:
Answers may vary.
Answers given should use ONLY characteristics shown in the illustrations.
1a. Wings present Fly
1b. Wings not present go to step 2
2a. More than 4 legs Spider
2b. 4 legs go to sep 3
3a. Head has horns Cow
3b. Head has no horns Cat
PTS: 1 DIF: advanced REF: section 3.2
PROBLEM
70. ANS:
PTS: 1 DIF: intermediate REF: section 1.1
71. ANS:
4 m ´ 4 m = 16 m2
PTS: 1 DIF: intermediate REF: section 1.1
72. ANS:
84,375 cm3
Volume = length ´ width ´ height
Volume = 75 cm ´ 25 cm ´ 45 cm = 84,375 cm3
PTS: 1 DIF: intermediate REF: section 1.2
ESSAY
73. ANS:
All measurements must include units in order for the measurement to be understood. All measurements are made by comparing one quantity with another. If a measurement is given only as a number, it is impossible to tell which quantity is being used for comparison.
PTS: 1 DIF: advanced REF: section 1.1
74. ANS:
Answers may vary, but students should follow the general format of the scientific method.
1. Plant several pea groups by placing three peas in pots that contain the same type of soil.
2. Label your pea plant groups and then place them in areas with different amounts of light.
Example:
Group 1: under a lamp that provides a set amount of light
Group 2: on window sill
Group 3: in a drawer or closet with no light
3. Water each group the same amount as needed.
4. Record observations daily. Measure the height of each pea plant and record data in table.
5. Take final data points after three weeks.
6. Graph data.
7. Analyze and present findings.
The experimental variable is the amount of light.
PTS: 1 DIF: advanced REF: section 1.2
75. ANS:
Answers may vary.
|
a. |
Example answers: |
|
|
Automobiles use energy. |
|
|
Some new automobiles can respond to changes in traffic around them. |
|
b. |
Example answers: |
|
|
An automobile cannot reproduce, it cannot grow, and it is not made of cells. |
|
c. |
An automobile cannot be a living organism unless it meets all of the characteristics of life, and part b. describes characteristics of a living organism that an automobile does not meet. |
PTS: 1 DIF: advanced REF: section 2.1
76. ANS:
Answers may vary. Example answers include:
|
1. |
Radiant energy from the Sun is converted to stored chemical energy by plants. |
|
2. |
Lyssa eats the plants and the chemical energy of the plants is converted and stored as chemical energy in her body’s cells. |
|
3. |
Chemical energy stored in Lyssa’s cells is converted to electrical energy in nerves of the body to stimulate muscles. |
|
4. |
Muscles convert chemical energy to mechanical energy to propel the Lyssa up the hill. |
PTS: 1 DIF: advanced REF: section 2.1
77. ANS:
If one organ in a system stopped working properly the entire organ system would be affected. If an organ, such as the stomach, failed to work correctly the entire organ system may not be able to work correctly to digest food. This could lead to failure or problems with other organs in the organ system and a possible failure or problem with the whole system.
PTS: 1 DIF: intermediate REF: section 2.2
78. ANS:
Answers may vary.
|
a. |
Increased body temperature; inadequate oxygen supply |
|
b. |
The body responds to increased body temperature by sweating and increasing blood flow near the skin surface. The body responds to inadequate oxygen supply with an increased rate of breathing and increased heart rate. |
PTS: 1 DIF: advanced REF: section 2.2
79. ANS:
Organism in the Kingdom Animalia such as beetles, worms, snakes and humans are consumers and can not make their own food. They depend on organisms from the Kingdom Plantae such as trees, ferns and flowering plants to provide them with food.
PTS: 1 DIF: advanced REF: section 3.1
80. ANS:
Scientists create a dichotomous key made by using a series of steps each consisting of a group of two statements. The statements begin with broad characteristics of organisms, leading to more specific characteristics. Each step asks the user to choose one of the two statements, eventually leading to the group or even the species to which the organism belongs.
PTS: 1 DIF: advanced REF: section 3.1
81. ANS:
Scientists classify organisms into groups according to their similar characteristics. There are millions of organisms living today. It is important to classify these organisms because it makes it easier for biologists to identify species with similar characteristics. It also allows scientists to see relationships between certain organisms.
PTS: 1 DIF: intermediate REF: section 3.2
OTHER
82. ANS:
a. A line graph would be the best graph for this data set.
b. # of Plant Sprouts
c. 
PTS: 1 DIF: intermediate REF: section 1.3
83. ANS:
PTS: 1 DIF: intermediate REF: section 2.2