Vines in a dense forest will grow toward patches of light and up the trunks of tall trees. Which of the following best describes
this observation? A. The vines are structurally adapted to grow in the light.
B. The vines are phototropic.
C. The vines have behaviorally adapted this growth for mating.
D. The vines hibernate until light reaches them.
Vines need light to survive. The vines exhibit phototropism because they grow toward patches of light and up the tall tree trunks where light penetrates the forest.
Mutualism describes the ecological interaction between two or more species where each species has a net benefit. Mutualism is thought to be the most common type of ecological interaction, and it is often dominant in most communities worldwide.