The weather plays an integral role because the larvae don t hatch until the weather has been warm enough for trees to leaf out and create the caterpillar s food supply.
(The weather; plays; an integral role) (the weather; has been; warm enough for trees to leaf out and create the caterpillar s food supply) (trees; to leaf out; ) (trees; to create; the caterpillar s food supply)
The weather the weather trees trees
plays has been to leaf out to create
an integral role
warm enough for trees to leaf out and create the caterpillar s food supply
the caterpillar s food supply