These two views are antithetic and no solution has been discovered.
It came into my head as suggestively antithetic to the ' gnostic ' of Church history, who professed to know so much about the very things of which I was ignorant.
If we try to know the real world, we find ourselves distracted by opposite arguments (" ` Antithetic of Pure Reason "), plausible and resistless in attack, helpless in defence.
For a discussion of this view, which regards the alternation of generations in Pteridophytes as antithetic and the two generations as not homologous with one another, reference may be made to the works of Celakovsky and Bower.
Although the antithetic theory is supported by many facts regarding the lifehistory and structure of the group of plants under consideration, it is quite possible that a stage in which the sporophyte was wholly dependent on the gametophyte may never have been passed through in their evolution.