IIRC that's mostly from plants and algae, and definitely can be substituted with things made purely from plants and algae.
However, I was replying to someone who said specifically "meat", and crude oil isn't meat.
> Not sure if we count insects as animal products but the work of bees helps pollinate our crops. We don't eat the bees but we do take advantage of them and breed them to go around and pollinate crops.
If you're that expansive, humans are also animals, and we also rely on each other's labour.
IIRC that's mostly from plants and algae, and definitely can be substituted with things made purely from plants and algae.
However, I was replying to someone who said specifically "meat", and crude oil isn't meat.
> Not sure if we count insects as animal products but the work of bees helps pollinate our crops. We don't eat the bees but we do take advantage of them and breed them to go around and pollinate crops.
If you're that expansive, humans are also animals, and we also rely on each other's labour.