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1. 
When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
2. 
A baby song bird hatches from its egg with both parent songbirds watching.
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
3. 
A pill bug (roly poly) eats a carrot.
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
4. 
A camel has eyelashes that work to keep the dust and sand out of its eyes.
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
5. 
A caterpillar hibernates in a cocoon and emerges as a butterfly.
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
6. 
An amoeba is a unicellular organism. Which characteristic of life is this?
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
7. 
A tulip opens in the morning at sunrise and closes in the evening at sunset.
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
8. 
Over three years, Tim's height has increased from 5'4" to 5'11"
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
9. 
A sea worm drops its tail and the tail becomes a new worm.
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
10. 
An adult hydra is producing its offspring through budding.
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
11. 
The roots of a plant grow towards a source of ground water.
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
12. 
Over many hundreds of years, a population of rabbits living in the woods adapts to its surrounding with brown fur.
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
13. 
YOU are a multi-celled organism but an amoeba is a single celled organism.
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
14. 
Before a soccer game Charlie always eats a big dinner. Which characteristic of life does this face best describe?
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
15. 
Which of the following characteristics of living things best explains why birds fly south for the winter?
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
16. 
A gazelle running away from a hunting lion is an example of ____________.
A.
All things are made of 1 or more cells
B.
All things need energy to survive
C.
All things respond to stimuli in their environment
D.
All things grow
E.
All things reproduce
F.
All things maintain a stable internal environment
17. 
Maintaining a stable internal environment.
A.
Homeostasis
B.
Metabolism
C.
Stimulus
D.
DNA
18. 
The basic unit of life is called a (n)
A.
atom
B.
cell
C.
compound
D.
energy
19. 
The process whereby an organism produces more of its own kind
A.
development
B.
adaptation
C.
homeostasis
D.
reproduction
20. 
Which of the following is NOT a characteristic of all living things?
A.
growth and development
B.
ability to move
C.
response to the environment
D.
ability to reproduce
21. 
The study of life.
A.
biosphere
B.
DNA
C.
metabolism
D.
biology
22. 
Signal that requires a response.
A.
metabolism
B.
stimulus
C.
bioshere
D.
DNA
23. 
A single organism that produces offspring identical to itself.
A.
DNA
B.
asexual reproduction
C.
sexual reproduction
D.
metabolism
24. 
Cells from 2 parents unite to form a new individual.
A.
asexual reproduction
B.
sexual reproduction
C.
biosphere
D.
stimulus
25. 
An organism made of one cell is called
A.
unicellular
B.
multicellular
26. 
Which one of the following is a characteristic of life?
A.
Growth
B.
Breathing
C.
Expelling toxins
D.
Photosynthesis
27. 
Which one of the following is a characteristic of life?
A.
Photosynthesis
B.
Expelling toxins
C.
Breathing
D.
Adapting to your environment/ surroundings
28. 
In order to be considered living an organism must have
A.
blood
B.
brains
C.
cells
D.
hair
29. 
Rocks are not living because
A.
they never move
B.
they aren't needed for humans
C.
they are not made of cells
D.
they don't break down
30. 
All organisms are made of...
A.
One cell
B.
Many cells
C.
All choices
31. 
The smallest unit of life
A.
Organism
B.
Microorganism
C.
Cell
32. 
Multicellular organisms grow by...
A.
Increasing the number AND size of their cells
B.
Increasing the size of their cells
33. 
Single celled organisms grow by...
A.
Increasing the number AND size of their cells
B.
Increasing the size of their cells
34. 
A group of similar types of cells that work together to do a specific job is called a/an _____.
A.
tissue
B.
organ
C.
stem cell
D.
organ system
35. 
A group of different tissues working together to do a job is called a/an _____.
A.
tissue
B.
organ
C.
stem cell
D.
organ system
36. 
A group of different organs working together to do a series of jobs is called a/an _____.
A.
tissue
B.
organ
C.
stem cell
D.
organ system
37. 
What is the correct order of organization
A.
tissues-cells-organs-organ systems-organism
B.
cell-tissue-organs-organ systems-organism
C.
organism-cells-tissues-organ systems-organism
D.
tissues-cells-organs-organ sytems-organism
38. 
When many organ systems work together it can form...
A.
organ
B.
cell
C.
organ system
D.
organism
39. 
The ___________ is the basic unit of life
A.
organ
B.
cell
C.
atom
D.
tissue
40. 
This is a example of ........
A.
cell
B.
tissue
C.
organ
D.
organ system
41. 
This is a example of ........
A.
cell
B.
organ system
C.
organ
D.
tissue
42. 
This is a example of ........
A.
organ
B.
organ system
C.
tissue
D.
cell
43. 
When many organ systems work together it can form...
A.
a cell
B.
an organ
C.
an organ system
D.
an organism
44. 
A structure made up of different types of tissue and performs a specific job.
A.
cells
B.
tissue
C.
organ
D.
organ system
45. 
A signal in the environment that makes you react.
A.
stimulus
B.
registry
C.
reaction
D.
preparation
46. 
Which picture represents an organ?
A.
A
B.
B
C.
C
D.
D
47. 
A group of organs that works together to perform a similar function represents which picture?
A.
A
B.
B
C.
C
D.
D
48. 
Which of the following is the LARGEST and MOST complex level of organization in the body?
A.
Cell
B.
Tissue
C.
Organ
D.
Organ Systm
49. 
The liver is a dark red structure in the human body that releases bile and hormones. At what level of organization is the liver?
A.
Cell
B.
Tissue
C.
Organ
D.
Organ System
50. 
How does an organ system differ from an organ?
A.
A system is more complex and contains several organs
B.
A system is not made up of cells like an organ is.
C.
A system is only found in very large organisms.
D.
A system is just one part of an organ.
51. 
Which sequence BEST describes the levels of organization from simplest to most complex?
A.
Organism, Organ, Tissue, Cell
B.
Cell, Tissue, Organ, Organ System
C.
Cell, Organ, Tissue, Organ System
D.
Organism, Cell, Organ System, Organ
52. 
The cells in a multicellular organism are specialized to perform a particular function. A group of related cells that work together make up _____.
A.
An organism
B.
An organ system
C.
An organ
D.
A tissue
53. 
Justin has learned that the brain, spinal cord, and peripheral nerves work together. What do they combine to form?
A.
A cell
B.
A tissue
C.
An organ
D.
An organ system
54. 
The cell is the building block of all living things.
A.
True
B.
False
55. 
What do you have when organ systems work together?
A.
organs
B.
organism
C.
cells
D.
tissue
56. 
What is the difference between a cell and a tissue?
A.
cell is group of tissues; tissue is basic unit of life
B.
cell is basic unit of life; tissue is group of cells that work as one
C.
cell is basic unit of life; tissue is groups of different cells
D.
cell is group of organs; tissue is group of different cells
57. 
The smallest level of organization of life in an organism
A.
tissue
B.
atom
C.
cell
D.
organ
58. 
Which is an example of an organism?
A.
a beetle
B.
a lake
C.
a rock
D.
a shell