Biology for IGCSE & O level - Variation And Selection (Section 3 - No. 24)
Which of the following best explains why the heavy seeds of the weed are more likely to be planted close to the parent?
The wind does not carry them far from the parent.
The are more likely to land on concrete, where they can grow.
They tend to fall straight down to the ground.
The light seeds are more likely to get carried away by the wind.
Explanation
The heavier seeds fall down straight to the ground making them less likely to be carried away by the wind, and that's the reason why they are planted close to the parent.
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