I don't really know the name of the tree
I think it's a leech, but not sure
Edit: not a leech, some sort of earthworm "They move through contraction and relaxation of muscles that shorten and lengthen the body in order to move. "
Tiny black spider. Couldn't get better pictures, as she seemed to keep her abdomen pointed in my direction
Dead bee. I thought a bumblebee, but inaturalist's suggestion of carpenter bee looks right.
Some sort of beetle?