Multiple-Choice Items:
1. Which environment did most organisms live in during the Cambrian period?
A
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Water
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B
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Land
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C
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Water and land
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D
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Sky
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2. Which is a characteristic of a mollusk?
A
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Lamp shells
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B
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Spiny-skinned invertebrate
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C
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Flattened oval body
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D
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Fleshy, muscular body
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3. Which of the following is an example of a response to hearing a loud sound?
A
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An explosion
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B
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Holding your ears
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C
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Sleeping
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D
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Eating a meal
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4. Which is a characteristic of a brachiopod?
A
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Lamp shells
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B
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Spiny-skinned invertebrate
|
C
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Flattened oval body
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D
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Fleshy, muscular body
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5. What are two types of behaviors present in living organisms?
A
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Instinct and learned
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B
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Instinct and extinction
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C
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Stimulus and response
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D
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Learned and stimulus
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6. Which best describes the Cambrian period?
A
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A period when many complex organisms appeared
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B
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A period when the dinosaurs became extinct
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C
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A period when single-celled organisms appeared
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D
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A period when the ice age took place
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7. Which is present in all multicellular organisms?
A
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The ability to swim underwater
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B
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The same kinds of instinctive behaviors
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C
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Cells that can perform different functions
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D
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Existence since the Cambrian period
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8. How long ago was the Cambrian period?
A
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About 300 million years ago
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B
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About 500 million years ago
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C
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About 700 million years ago
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D
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About 900 million years ago
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9. Which of the following is a modern-day cephalopod?
A
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Lobster
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B
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Starfish
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C
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Octopus
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D
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Clam
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Multiple-Choice Answer Key:
1. A
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2. D
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3. B
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4. A
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5. A
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6. A
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7. C
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8. B
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9. C
|
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Short-Answer Items:
10. Give an example of a stimulus and response in a dog. Explain which is the stimulus and which is the response. Also, explain whether the response is a learned or instinctive behavior.
11. Define the word extinction and explain what causes the extinction of a species. Give two examples of environmental changes that could cause a species to become extinct.
Short-answer key and Scoring Rubrics:
10. Give an example of a stimulus and response in a dog. Explain which is the stimulus and which is the response. Also, explain whether the response is a learned or instinctive behavior.
Points
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Description
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2
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The student completes all three of the following:
- Gives an example of a stimulus and a response.
- Correctly identifies the stimulus and response.
- Correctly describes the response as learned or instinctive.
|
1
|
The student completes two of the following:
- Gives an example of a stimulus and a response.
- Correctly identifies the stimulus and response.
- Correctly describes the response as learned or instinctive.
|
0
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The student completes one or none of the following:
- Gives an example of a stimulus and a response.
- Correctly identifies the stimulus and response.
- Correctly describes the response as learned or instinctive.
|
11. Define the word extinction and explain what causes the extinction of a species. Give two examples of environmental changes that could cause a species to become extinct.
Points
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Description
|
2
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The student completes all of the following:
- Correctly defines extinction.
- Explains that species become extinct when they cannot survive environmental changes.
- Gives at least two examples of environmental changes that could cause a species to become extinct.
|
1
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The student:
- Correctly defines extinction.
- Does not explain that species become extinct when they cannot survive environmental changes.
- Gives one example of an environmental change that could cause a species to become extinct.
|
0
|
The student:
- Incorrectly defines extinction.
- Does not explain that species become extinct when they cannot survive environmental changes.
- Does not give any correct examples of environmental changes that could cause a species to become extinct.
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Performance Assessment:
Create a mini-poster on a sheet of unlined paper. Choose one of the multicellular pond organisms that you observed during Lesson 2. Your poster should include:
- a drawing or picture of the organism.
- the correct name of the organism.
- a description of the organism’s appearance.
- an explanation of why having many cells is useful to the organism.
- an explanation of how the organism meets its needs for survival.
Performance Assessment Scoring Rubric:
Points
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Description
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5
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The student completes all five of the requirements:
- Includes a drawing or picture of the organism.
- Correctly names the organism.
- Describes the organism’s appearance.
- Correctly explains why having many cells is useful to the organism.
- Explains how the organism meets its needs for survival.
|
4
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The student completes four of the requirements.
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3
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The student completes three of the requirements.
|
2
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The student completes two of the requirements.
|
1
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The student completes one of the requirements.
|
0
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The student demonstrates lack of understanding or does not attempt to complete the assessment.
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