自然 しぜん発生 はっせい説 せつ

shizen hasseisetsu

1. Not spontaneous generation.; Not naturally occurring.

1. Was spontaneous generation.; Was a natural origin theory.

1. Naturally occurring; Spontaneous generation theory

1. Spontaneous generation; Originating naturally

1. It's not spontaneous generation.; It's not naturally occurring.

1. It's not spontaneous generation.; It's not naturally occurring.

1. It was spontaneous generation.; It was a natural generation theory.

1. Spontaneous generation theory.

1. It is not spontaneous generation.; It is not naturally occurring.

1. Wasn't spontaneous generation.; Wasn't naturally occurring.

1. Probably spontaneous generation.; Probably a natural origin.

1. It wasn't spontaneous generation.; It wasn't naturally occurring.

1. It wasn't spontaneous generation.; It didn't occur naturally.

1. Probably spontaneous generation.; Likely natural origin.

1. It was not spontaneous generation.; It was not naturally occurring.

1. If/when naturally occurring; If it were the natural generation theory

1. If/when spontaneous generation theory…; If it were spontaneous generation…

1. If spontaneous generation theory; If the theory of spontaneous generation