No Biochemical Barriers: Difference between revisions

This is one of the problems to watch out for in [[How to Invade An Alien Planet]].

{{examples}}

=== [[Anime]] ===

* Dita Liebely, the female protagonist of ''[[Vandread]]'', samples the food from Hibiki Tokai's home planet, but she finds it revolting and inedible. Believing the opposite must be true for Hibiki, she feeds him food from her home world, which he found to be delicious. Following this, Dita has little problem spending time with Hibiki on the condition that she feed him. Of course, although Dita considers Hibiki to be an alien lifeform, most outsiders would point out that they are the same species, just different genders.

* There are very very few life forms on Earth that are able to digest plastics. This is why our garbage is expected to last for millions of years before it decomposes. Recent observations of the North Pacific Gyre suggest that we're providing enough food to allow the few we do have to start to thrive.

=== [[Anime]] and [[Manga]] ===

* In ''[[Dragon Ball]] Z'', Goku apparently contracts a disease while on the planet Yardrat, weakening his heart and which would have eventually killed him. He's saved by a vaccine brought over from an alternate future where he ''did'' die. Of course, while Goku is an alien himself, the Saiyan biochemistry is identical to a human being's as far as [[Big Eater|nutrition]] and [[Half-Human Hybrid|reproduction]] are concerned.

** Going back to the mention of space germs, the notable astronomer Fred Hoyle believed that human noses evolved to point down in order to help keep us from inhaling any microbes that fell from space. Mind you, he was rightfully laughed at for that hypothesis.

=== [[Anime]] ===

* The planet Namek in ''[[Dragon Ball]] Z'' has a ''green sky''. That alone should point out the differences in composition with Earth's atmosphere, but the humans that visit this planet, and the Namek natives that visit Earth (and the multitude of other aliens from many different worlds that congregate on either planet) have no problem breathing in it or even fighting at full strength.