How to Divide Bearded Iris. Bearded iris produce leaves, flower stems, and roots from a thick, rootlike structure called a rhizome. As the plant matures, the rhizome produces more rhizomes, which in turn lead to more leaves and flowers.
ICE AGE: COLLISION COURSE, opening in theaters everywhere July 22, 2016, stars returning cast members Ray Romano, Denis Leary, John Leguizamo, Queen Latifah, Seann William Scott, Josh Peck, Simon Pegg, Keke Palmer, Wanda Sykes, and Jennifer Lopez.
Ice Ages. 1  Earth's orbit - Changes in the Earth's orbit (called Milankovitch cycles) can cause the Earth to be closer to the Sun (warmer) or further from the sun (colder). Ice ages can occur when we are further from the Sun. 2  Sun - The amount of energy output by the Sun also changes. Low cycles of energy output can help in producing an ice age.