Which among the following is incorrect about Haplo-diplontic life cycle?

Q. Which among the following is incorrect about Haplo-diplontic life cycle?

1. In this life cycle, both sporophytic phase and gametophytic phase have equal life time
2. Both sporophytic and gametophytic phases are multi-cellular and have independent existence
3. This kind of life cycle is exhibited by Pteridophytes and Bryophyte
4. Ectocarpus exhibits haplo-diplontic life cycle

Answer: Ectocarpus exhibits haplo-diplontic life cycle