UnScramble this Word: e o l y g o a r?

Questions

Physical or behavioral resemblance of one species to another to benefit itself or, in effect, sometimes both species?

Pigs, walruses & light-colored horses can get a _________?

Pinocchio is Italian meaning what?

Plashing is the term to describe the collecting of what kind of nut?

Poisonous alkaloid, c21h22n2o2, found in various plants of the genus strychnos, & obtained commercially from the seeds of the saint-ignatius's-bean & from nux vomica?