I interviewed at Bi-Mart (Madras, OR) in September 2016. The interview lasted about 25 min and was extremely laid back. He spent more time talking about Bi-marts operations and friendly, for the employee, work place then anything else.
Confidence votes 13. Whales, like otters, porpoises, and all other swimming mammals, undulate their spines rhythmically, waving their tails and flipping the flukes at the end, propelling them forward.
Brittle Star Locomotion. Brittle stars don't move using tube feet like sea stars and urchins do - they move by wriggling their arms. Brittle stars are a radially symmetrical animal, but they can move like a bilaterally symmetrical animal (e.g., like a human or mammal).