Structures and Tropisms

Which structure of the plant is showing positive hydrotropism?

• stem

• leaves

• roots

• flower

Which type of tropism is pictured here and is it positive or negative?

• Positive Thigmotropism

• Negative Thigmotropism

• Positive Hydrotropism

• Negative Hydrotropism

This plant is demonstrating _____________________.

• Negative Phototropism

• Positive Phototropism

• Positive Light Tropism

• Positive Thigmotropism

Which part of this plant is demonstrating negative geotropism?

• roots

• soil

• water

• stem

Plants have tropisms in order to enhance their rate of survival.

• True

• False

Plants/ seeds sometimes become inactivity due to unfavorable environmental conditions. We call this inactivity _______________.

• Sleep

• Inactivity

• Dormancy

• Tropism

Plants of special structures and behaviors to help them survive called ______________.

• developments

• adaptations

• changes