Four of these five choices are characteristics of sawfly caterpillars. Select the exception.

Four of these five choices are characteristics of sawfly caterpillars. Select the exception.
 
  a. vomit in self defense
  b. prey of birds
  c. selfish herd
  d. safety in numbers
  e. venomous

Question 2

Amy receives a plant from her mother as a housewarming gift. She waters it regularly and keeps the plant on a windowsill that gets regular sunlight. Amy is determined to keep her mother's gift growing well and never moves the plant for fear of hurting it, but the plant has started growing toward the window. Amy is puzzled as to why her plant is lopsided. What is happening to Amy's plant?
 
  a. The plant is receiving too much water.
  b. The plant's gravity sensing mechanism is damaged, a process known as gravitropism.
  c. The plant is searching for support, a process known as thigmotropism.
  d. The plant is growing toward the light source, a process known as phototropism.
  e. The plant has weak structural tissue due to a nutrient deficiency of the soil.