Answer: fertilisation.
- A pollination
- B germination
- C gametogenesis
- D fertilisation
Correct answer: D. fertilisation
Explanation: Fertilisation (syngamy) is the fusion of two gametes to form a 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.