A scientist plants seedlings in different conditions to demonstrate how plants respond to their environment. Which of these observations provides evidence of gravitropism?(1 point)

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Seedlings planted away from a source of sunlight grow toward the light.
Seedlings planted away from a source of sunlight grow toward the light.

Seedlings planted in containers that are tipped over sideways extend their roots downward.
Seedlings planted in containers that are tipped over sideways extend their roots downward.

Seedlings planted near a stick wrap around the stick.
Seedlings planted near a stick wrap around the stick.

Seedlings planted in containers that are tipped over sideways grow sideways.
Seedlings planted in containers that are tipped over sideways grow sideways.
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Answer 1

The observation that provides evidence of gravitropism is:

"Seedlings planted in containers that are tipped over sideways extend their roots downward."

Gravitropism, also known as geotropism, is the response of plants to gravity, where roots grow downwards (positive gravitropism), and stems grow upwards (negative gravitropism). The observation indicates that even when the seedlings are positioned sideways, they still exhibit the downward growth of their roots in response to gravitational pull.