test
node1
TO:0000277
biochemical trait
node2
TO:0000465
mineral and ion
content trait
node1->node2
node11
TO:0020090
zinc content trait
node2->node11
node3
BFO:0000001
entity
node4
BFO:0000002
continuant
node3->node4
node4->node4
node5
BFO:0000020
specifically
dependent continuant
node4->node5
node9
BFO:0000019
quality
node5->node9
node5->node5
node6
PATO:0000001
quality
node5->node6
node10
PATO:0001241
physical object
quality
node6->node10
node7
PATO:0000141
structure
node8
PATO:0000025
composition
node7->node8
node8->node11
node9->node9
node12
PATO:0000051
morphology
node9->node12
node9->node10
node10->node12
node13
TO:1000050
root system zinc
content
node11->node13
node12->node7
node14
TO:0000387
plant trait
node14->node1