!ques1! Check Your Knowledge
Question
17.19
Considering the “vital statistics” of plants relative to animals, which of the following is true?
- a) The longest-lived plants live more than 10 times longer than the longest-lived animals
- b) The tallest plants grow more than 10 times taller than the tallest animals.
- c) The heaviest plants weigh more than 10 times as much as the heaviest animals.
- d) All of the above are true.
- e) None of the above are true.
Question
17.20
What are the embryonic precursors to leaves in a seedling called?
- a) seedling leaves
- b) cotyledons
- c) angiosperms
- d) needles
- e) monocots
Question
17.21
Which of the following is most important in providing structural support in vascular plants?
- a) xylem
- b) apical meristem
- c) phloem
- d) epidermis
- e) cortex