"Cracks and checks would more likely be to to defects in the wood, varied moisture contents, reaction woods, and inclusions of pith and unbroken annual rings as a result of using low grade quickly processed timbers that are used in pallets."

"I doubt that inter-species wood movement will have much difference given the narrow thicknesses and the length of the long grain glue joints.reinforcing the joints with screws across the board would eliminate the possibility entirely.  Laminated table tops like this often are more likely not to warp due to the varied orientations of individual pieces. It is more akin to plywood. The species you mention are actually quite similar in tangential expansion."

"I just barfed into my keyboard."

"He is SO GOOD at art! So good."