How Does the Sperm of an Angiosperm Reach the Egg

question 70

Multiple Choice

How does the sperm of an angiosperm reach the egg?

• A) via the pollen tube that grows from the pollen grain through the carpel tissues to the ovule
• B) via the pollen tube that grows from the ovule to reach the pollen grain on the stigma
• C) usually via an insect, which places sperm in the ovary while probing for nectar
• D) by actively swimming down through the style to the egg

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