Answer: Juvenile phase.
- A Senescent phase
- B Juvenile phase
- C Reproductive phase
- D Dormant phase
Correct answer: B. Juvenile phase
Explanation: The juvenile (vegetative in plants) phase is the period of growth before an organism becomes reproductively mature.
Structure of a mature flower. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.
Concept context
Asexual and sexual reproduction, flower anatomy, pollination, fertilization, and seed development.