It depends on their tension. Normally, the rubber band store more tension than a t shirt.
If we go down the list,
It wouldn’t be Primary Producer because Deer don’t really produce anything
Can’t be Carnivore because deer don’t eat meat
Same with tertiary
They do eat plants. So it would have to be the last one
They are the same factors that keep planets, asteroids, and comets in orbit. The factors are gravity.
