Question

A student completed an experiment investigating the response of tomato plants to gravity and created the table below. What can you conclude from the observations? A table showing the observations in an experiment investigating how plants respond to gravity. The top row shows observations from a plant grown upright in a pot. The observations are as follows: the stem grew straight upward on day one, straight upward on day two, straight upward on day three, straight upward on day four, and straight upward on day five. The bottom row shows observations from the plant grown in a pot on its side. The observations are as follows: the stem grew straight outward on day one, it started to bend on day two, more bent on day three, bent like the letter L on day four, and continued to grow in a bent fashion on day five. Gravity does not affect the growth of a plant. Gravity has no effect on the plant grown on its side. The stem of a plant will grow downward with gravity. The stem of a plant will grow upward against gravity.

Answer 1

Plants respond immediately to the gravitational attraction of the Earth as well as to light. Stems develop away from the center of the Earth and toward the light due to negative gravitropism.

What is negative gravitropism?

Negative gravitropism occurs when shoots develop in the opposite direction of gravity toward sunlight.

Plants respond immediately to the gravitational attraction of the Earth as well as to light. Stems develop away from the center of the Earth and toward the light due to negative gravitropism.

Thus, the given experiment shows negative gravitropism.

For more details regarding gravitropism, visit:

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