Answer: Syngamy.
- A Fragmentation
- B Meiosis
- C Budding
- D Syngamy
Correct answer: D. Syngamy
Explanation: Syngamy (fertilisation) is the fusion of two haploid gametes to form the diploid zygote.
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.