The lateral end of the clavicle articulates with the acromion process of the scapula forming the acromioclavicular joint.
Answer:
I'm a little on the fence, but I believe that organelle is either a paramecium or a euglena!
Explanation:
helpful little image link for comparison!
[ source for organelle image comparison]
https://media.istockphoto.com/vectors/vector-illustrationof-unicellular-organisms-amoeba-proteus-paramecium-vector-id1225645059?k=20&m=1225645059&s=612x612&w=0&h=SzUbQXS7I0hh2NBcl5xsEKhPj21ebx6uRZHda7k0-hU=
True, all leaves at them stem calling the process "Nodes"
So the dark butterfly camouflages better on the tree. Where as the white one can clearly be seen and identified. A predator will also easily spot it and kill it. The dark butterfly has evolved over time to the color that it is, to best help it survive. This is also shown in the tread on the graph.
Hope this helps!!