We have looked at seeds and roots of plants, and now we are going to study the stems. Plant stems are defined as the axis, or the ...

The stem responds to the Earth’s gravity as well. It grows upwards away from the center of the earth (called negative geotropism). The roots grow toward the center of the earth (called positive ...

What is occurring when a plant bends either towards or away from light? Is it A thigmotropism; B, geotropism; or C, phototropism? (buzzer beeps) - That would be Holiday. - C. - Correct.