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Chapter Quiz
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1A ________ includes all the organisms that live and interact in the same area at the same time.
A)population
B)community
C)biome
D)hemisphere


2Define community succession.


3Give an example of primary succession.


4Define secondary succession.


5Give an example of an event that precedes secondary succession that is not listed in your manual.


6Primary succession proceeds faster that secondary succession.
A)True
B)False


7Pasteurization kills all bacteria.
A)True
B)False


8________ succession generally occurs in small-scale communities dominated by unicellular asexually reproducing, short-lived individuals where the availability of energy declines over time.
A)Degradative
B)Declination
C)Old-field
D)Tertiary


9Bacteria is added to milk to produce cheese, sour cream, yogurt, and buttermilk.
A)True
B)False


10List the types of milk that you'll use in your investigation today.


11List the variables you'll be measuring today.


12When bacteria in milk ferment lactose to lactic acid and acetic acid, the pH of the milk ________.
A)decreases
B)increases
C)stays the same


13What organism causes the characteristic odor of spoiled milk?
A)Streptococcus
B)Pseudomonas
C)Bacillus
D)Lactobacillus


14People who are lactose-intolerant lack the enzyme to metabolize lactose. Then why can they eat yogurt?


15What's the advantage of making cheese from milk in areas with no refrigeration?





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