1 Hydrostatic skeletons use _____ pressure inside a body wall.A) air B) water C) muscle D) gas E) gravitational 2 _____ initiate bone development; _____ form from them; and _____ break down and reabsorb bone.A) Osteoblasts, osteocytes, osteoclast B) Osteoclasts, osteocytes, osteoblasts C) Osteocytes, osteoblasts, osteoclasts D) Osteocytes, osteoclasts, osteoblasts E) Osteoblasts, osteoclasts, osteocytes 3 _____ joints can perform movement in all directionsA) Hinge B) Combination C) Sliding D) Gliding E) Ball-and-socket 4 Actively contracting muscles get their energy fromA) fatty acids. B) fructose C) glucose and glycogen. D) triglycerides. E) sucrose. 5 Convergent evolution hasA) produced flight through one unique pathway. B) Produced terrestrial movement with several different pathways. C) Produced flight once. D) Produce terrestrial movement that works with gravity. E) Produced flight through many different pathways.