Notes on plant and human reproduction.

Plant reproduction:
- Plants reproduce through a process called pollination, where pollen from the male reproductive organs (stamen) is transferred to the female reproductive organs (pistil) of a flower.
- Pollination can occur through wind, insects, birds, or other animals.
- Once pollination occurs, the female reproductive organs develop into seeds, which are then dispersed to grow into new plants.
- Some plants can also reproduce asexually through methods such as vegetative propagation, where new plants grow from stems, roots, or leaves of the parent plant.

Human reproduction:
- Human reproduction involves the union of a sperm cell from the male reproductive system with an egg cell from the female reproductive system.
- This union typically occurs through sexual intercourse, where sperm is deposited into the female reproductive system and fertilizes the egg.
- The fertilized egg then implants itself in the uterus and develops into a fetus, which grows and develops over a period of nine months.
- Human reproduction is a complex process involving hormonal regulation, ovulation, fertilization, and embryonic development.
- Humans have a unique reproductive system that allows for internal fertilization and gestation of offspring.