Which mechanism causes increased wing surface area in developing butterflies?

💡 Explanation

Wings expand through programmed cell death controlled by discs; this localized Apoptosis shapes the developing wing surface. The outcome is larger wing area because discs coordinate cell removal, therefore leading to desired morphology, rather than generalized growth or limited respiration.

• Which physiological effect in honeybees increases colony temperature during cold stress triggering a shivering response?
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