<span>I believe it was 300 BC.</span>
Answer:
fwwwwwwwwwwwwwwwwwwwwwwww
Is this a bio quest , I don’t think so ?!
a. Competition: Humans compete with all organisms for space.
b. Parasitism: Humans have many parasites: head lice, ticks, tapeworms, etc.
c. Mutualism: We have mutualistic relationships with all domesticated plants/animals.
d. Commensalism: Pigeons thrive in metropolitan ecosystems without really
affecting humans (except for being mildly disgusting).
