Answer: Seed or embryo germinating while still attached to the parent plant.
- A Two separate embryos developing within a single seed coat
- B Seed or embryo germinating while still attached to the parent plant
- C Plants producing mature seeds without ever forming flowers
- D Seeds that require exposure to fire before they can germinate
Correct answer: B. Seed or embryo germinating while still attached to the parent plant
Explanation: Vivipary: germination of the seed while still on the parent plant. Common in mangroves (propagules ready to root when they drop). Also occurs in some grasses in humid conditions (precocious germination).
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.