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Question
A big tree falls in a forest but its roots are still in contact with the soil.
The branches of this fallen tree grow straight up (vertically). This happens in response to ______.
Options
water and light
water and minerals
gravity and water
light and gravity
Solution
A big tree falls in a forest but its roots are still in contact with the soil.
The branches of this fallen tree grow straight up (vertically). This happens in response to light and gravity.
Explanation:
It is because a plant stem grows towards the light in the upward direction against the force of gravity.
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