Biology Regents Practice 3

What is the primary biological advantage for snapdragons to sweeten their nectar in response to the buzz of pollinator bees?

• To attract nectar thieves to reduce competition

• To reward pollinators and encourage more frequent visits, increasing seed production

• To conserve energy by reducing nectar production when bees are near

• To distract pollinators from visiting other plants

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NGSS.HS-LS4-4

How did the researchers determine that snapdragons can distinguish between different insect sounds?

• By observing the types of flowers visited by bees and wasps in the wild

• By playing recorded sounds of pollinating bees, nectar robbers, and background noise to plants indoors and measuring nectar sugar changes

• By analyzing the color changes in snapdragon petals when bees approached

• By genetically modifying snapdragons to test their hearing abilities

What role do changes in gene activity play in the snapdragon's response to insect sounds?

• They alter flower color to attract pollinators

• They regulate sugar levels in nectar to create sweeter or less sweet nectar based on the type of insect sound

• They strengthen flower petals to prevent nectar robbing

• 1. They increase overall nectar volume regardless of insect presence

  
  

Why is the sound made by nectar robbers important in the plant's defense strategy?

• Because the plant ignores all insect sounds equally

• Because it signals the plant to produce less sugar in nectar, discouraging nectar thieves and conserving resources

• Because nectar robbers help spread pollen more effectively than pollinators

• Because it causes the plant to close its flowers temporarily

Which of the following statements best describes the significance of vibroacoustic communication between plants and insects?

• It is a common form of communication used by all plants worldwide

• It represents a newly discovered way plants can selectively respond to beneficial versus harmful insects, influencing coevolution

• It replaces chemical signaling in all flowering plants

• It causes plants to produce honey for insects instead of nectar

1. Analyze how the interaction between snapdragons and their pollinators demonstrates coevolution. Provide examples from the article about how both plants and insects benefit or adapt due to this relationship.

1. Imagine you are designing an experiment to test whether a different flowering plant species uses vibroacoustic communication to respond to pollinators. Describe your experimental setup, including control groups, the variables you would measure, and how you would interpret the results.

1. Evaluate the potential implications of this research on agricultural practices. How might understanding plant responses to insect sounds influence crop management or pollination strategies? Discuss any challenges that might arise from applying these findings in real-world settings.

Tags

NGSS.HS-ETS1-3