Choose the wrong statement among the following.

Post fertilization changes are not seen in brown algae and green algae but seen in red algae. In Liverworts like Marchantia, the gametophyte is thalloid and dichotomously branched. Gametophytes of pteridophytes are thalloid and independent and known as prothalli. Chlorella is unicellular green alga used as food supplement by space travelers as it is rich in proteins.