What is meant by the โburglar alarmโ effect? a. Organisms produce light, which attracts the predators of the predator. b. Sudden flash startles predators. c. When lit up, tiny organisms such as dinoflagellates
a
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15
According to paragraph E, how do certain shrimp in the ocean's upper layers use bioluminescence? a. as a decoy b. as an alarm c. as camouflage d. as a warning
c
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15
Name some amazing facts about one kind of bird of your choice
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seesaw
Swap points!
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rocket
Go to first place!
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fairy
Take points!
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thief
Give points!
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lifesaver
Give 10 points!
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fairy
Take points!
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rocket
Go to first place!
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thief
Give points!
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15
How else can animals attract a mate if they can't glow?
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15
In which position should this sentence be added to paragraph D? These creatures only rise toward the surface at night. a. after the first sentence b. after the second sentence c. after the third sentence d. after the fourth sentence
c
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15
The reading passage mentions that Atlantic puffins have breaks that grow in the dark. What do you think is the purpose of the glowing beak?
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15
All lifeform with bioluminescence: a. Are able to create light b. Live near or underwater c. Use light to attack their prey
a
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15
Which of these is NOT explained in the passage? a. why some bioluminescent creatures produce light b. why invisibility is important to many sea creatures c. why some birds have beaks that glow in the dark