Uhmmm actually... Some species of ants eat fungi which eats specific plants so therefore the species of ants that does these do infact scavenge for these plants and grow their own fungi farm
The aphid pet is obtained by gathering and planting flowers with a certain probability, it gives you two random buffs, I called mine "calcio" because it came out all white XD, my buffs that it gave me were 1% movement speed of creatures and workers but why do I have it at level 1