Yes.
yes. no.
# # #
Yes humans can live with out heads if they are an zombie.
grass we can always live without grass
Honey was not injected to humans.
No, humans cannot live without establishing a harmonious connection with the ecosystems in the oceans.
yes they can. they actually used to live without humans in herds, until they were domesticated by humans and used for traveling purposes. there are still about 25,000 wild herds of horses.
Nope.
no our brain will dry out
Yes.
no.
Honey guides are birds that have a symbiotic relationship with humans known as mutualism. They help humans find beehives in exchange for leftover honey and bee larvae that humans cannot access. Humans benefit from the honey guides' guidance, while the honey guides benefit from access to the beeswax combs.