Life Science Midterm Study Guide
Short Answer
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23.
Living things that are made up of two or more cells, are called?
Uses light and lenses to enlarge an image or object, is called?
The two-word naming system that Linnaeus used to name the various species. Dichotomous Key or Binomial
Nomenclature
Living Things that are made of only one cell, are called?
A Dutch merchant who in the late 1600's who made improvements to the first microscope. He magnified it by 270
times. Robert Hooke or Anton van Leeuwenhoek
What break down food molecules, cell wastes, and worn out cell parts - cleans the cell?
What is the cytoplasm?
What pigment in a plant that captures light energy and produces sugar molecules for food?
What is Active Transport?
What are all cells are either?
What controls all cell functions?
What are the four macromolecules?
What are the processes of Passive transport?
What are the processes of Active transport?
How does diffusion work?
What is the study of living things called?
What does a triple beam balance measure?
What is the standard SI unit for weight?
A storage box is 45.5cm tall. The shelf measures half a meter. Will the storage box fit on the shelf? Why or Why
not?
List the steps of the scientific method in order?
List the three stages of Interphase and what major thing happens in each.
List the four phases of Mitosis and what happens in each.
What is the final phase of the cell cycle.
Matching questions
25.
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32.
24. Cell with membrane-bound structures
cell membrane
What is the function of a nucleus?
Organelles include:
What is the function of vacuoles?
What is the function of Golgi bodies?
What are the three bullet points of Cell Theory?
electron microscope
What is the function of endoplasmic reticulum?
A.
nucleus, mitochondria, ribosomes, endoplasmic reticulum, Golgi bodies, lysosomes
B.
uses a magnetic field in a vacuum to direct beams of electrons, some can magnify up to one million times, they must be
photographed or electronically produced to be seen
C.
sorts proteins and packages cellular substances
D.
moves materials around cells
E.
1. All organisms are made up of 1 or more cells
2. The cell is the basic unit of organization in organisms
3. All cells come from cells
F.
stores water, waste products, food, and other cellular material
G.
allows certain materials to move into and out of the cell
H.
directs all cell activity
I.
eukaryotic
33.
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42.
Mass
Kingdom
External Stimuli
Genus
Reproduction
Theory
Control
Variable
Hypothesis
Cladogram
A.
Kilogram (kg)
Gram (g)
B.
A group of similar species.
C.
Two examples of this type of stimuli are blood vessels increasing in diameter to reaction of heat from sunlight and the
movement of a flower/plant's leaves towards sunlight.
D.
An explanation of things or events based on scientific knowledge that is the result of many observations and experiments.
E.
The standard to which the outcome of a test is compared.
F.
An explanation that can be tested.
G.
A branchial digram that shows relationships amongst organisms, including common ancestors
H.
Something in an experiment that can change.
I.
Process by which one organism makes one or more new organisms
J.
The first and largest category in the classification system commonly used today to group organisms. (There are six of them)
Multiple choice questions
43. Any living thing.
1.
Constants
2.
Organism
3.
Mass
44. Two examples of this type of stimuli are eating to hunger or thirst by looking for food or water
1.
Biogenesis
2.
External Stimuli
3.
Organism
4.
Internal Stimuli
45. A light microscope that uses more than one lens to magnify an object
1.
Control
2.
Electron Microscope
3.
Homeostasis
4.
Compound Microscope
46. The idea that living things come from nonliving things.
1.
Dichotomous Key
2.
Spontaneous Generation
3.
Phylogeny
47. Use a magnetic field to focus a beam of electrons through an object or onto an object's surface
1.
Electron Microscope
2.
Light Microscope
3.
Control
4.
Compound Microscope
48. Factors in an experiment that remain the same
1.
Organism
2.
Genus
3.
Mass
4.
Constants
49. A series of descriptions arranged in pairs that leads the user to the identification of an unknown organism
1.
Dichotomous Key
2.
Spontaneous Generation
3.
Time
4.
Light Intensity
Plants under a grow lamp
Week 1
Week 2
Week 3
A-no water
B-water once a day
C-water three times a day
0in
0in
0in
0in
3in
2in
0in
5in
4in
D-water five times a day
0in
2in
0in
50. What is the control in this experiment?
a.
water
c.
week
b.
grow lamp
d.
plant
51. What is the independent and dependent variable in this experiment?
a.
water amount, plant height c.
c.
grow lamp, water amount
b.
number of weeks, plant height
d.
grow lamp, plant height
52. If another person wanted to repeat this experiment, which of the following would they NOT need to know?
a. The amount of water given at each watering time. c.
The type of plant used.
b. The intensity of the grow lamp.
d.
The day of the week the plants were measured.
Use the line graph to answer the questions.
53. What can be inferred about speed and breaking distance from the above graph?
a. As speed decreases, breaking distance increases. c. As speed increases, breaking distance increases.
b. As speed increases, breaking distance decreases. d. The is no direct correlation between speed and
breaking distance.
54. According to the trend of the line graph, if a car was traveling at a speed of 120 km/h how much breaking
distance would it need?
a.
30m
c.
25m
b.
35m
d.
120m
55. Suppose this experiment was retested on an icy road. How might the data change?
a. This breaking distance for speed would increase. c. There would be no change in the breaking distance
for speed.
b. The breaking distance for speed would decrease. d. The braking distance could not be calculated due
to the sliding of the car.
56. Which of these steps would be the first step in a scientific method?
a.
Analyze the data and draw a conclusion.
b.
Make a hypothesis.
c.
Test the hypothesis by doing an experiment.
d.
Identify the problem and determine what you want to know.
57. What is the SI unit of mass?
a.
kilogram
c.
b.
kilometer
d.
newton
gram per cubic centimeter
True/False questions
If the answer is false, find the correct answer.
58. Organization, Growth & Development, Reproduction, Response to Stimuli, Homeostasis, Use of Energy all
describe →Biogenesis
59. A group of organisms that have similar traits and are able to produce fertile offspring → Species
60. A hand-held lens that magnifies, or enlarges, an image of an object → Magnifying Lens
61. An organism's ability to keep the proper conditions inside no matter what is going on outside the
organism. → Homeostasis
62. An organized series of procedures. → Species
63. Abbreviated (SI); it is an internationally accepted system for measurement → Internal Stimuli
64. The smallest unit of an organism that carries on the functions of life. → Cell
65. gives some cells a tough, rigid outer covering to protect the cell and give it shape → cell wall
66. the smallest unit of an organism that can carry on life functions → cells are
67. the powers of the eyepiece and objective lenses → determines the total magnification of a microscope
68. a group of organs working together to perform a certain function → organ system
69. organelles that process energy → mitochondria and chloroplasts
70. The study of the Earth is called Physical Science
71. What researchers use in an experiment to show that the results of the experiment are actually due to the conditions
being tested Control