Question

Dragonflies are predatory flying insects. In the summer, it is customary to see them perching on tree branches in an obelisk pose (i.e., a handstand position with the tip of their abdomen pointing upward). In 3–5 sentences, describe how dragonflies might regulate their body temperature and give reasons why they might assume this pose. (4 points)

Answer 1

Answer: They might assume this pose because it may allow them to absorb more sunlight to stay alive. There also may be better heat receptors at the tip of their abdomen allowing them to regulate their temperature easily. Or maybe they have the thinnest skin tissue at the tip of their abdomen, allowing more heat to pass through.

Explanation:

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Answer 2

The ways in which the dragonflies may adjust their body temperature could be:

1). Dragonflies' bodies are characterized as ectothermic and therefore, their bodies do not generate heat internally. They manage their internal heat production through their propelled flight by striking their wings swiftly with each other.

2). They are often seen locating their wings in the direction of rays of the sun that allows them to extract heat to keep themselves warm.

3). In summers, they perch as it allows their body to retain the necessary warmth for ensuring their muscles' safety and functioning.

The handstand or obelisk position allows the dragonflies to manage the loss of heat from their body from their abdomen and chest region.

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