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The sepals of a flower are collectively known as what, and what do they do?
AThe corolla, which attracts the pollinators
BThe calyx, which protects the unopened bud
CThe corolla, which protects the unopened bud
DThe calyx, which attracts the pollinating insects
Answer & Solution
Correct answer: B. The calyx, which protects the unopened bud
1. The outermost whorl of the flower has green leafy structures known as sepals.
2. Those sepals collectively form the calyx.
3. The calyx helps protect the unopened bud.
4. The corolla is the second whorl, made of usually brightly coloured petals, so it is the whorl associated with attraction.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 32 "Plant Reproduction", section 32.1 Reproductive Development and Structure_
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