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| 1 | |
Hydrostatic skeletons use _____ pressure inside a body wall. |
| | A) | air |
| | B) | water |
| | C) | muscle |
| | D) | gas |
| | E) | gravitational |
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| 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 |
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| 3 | |
_____ joints can perform movement in all directions |
| | A) | Hinge |
| | B) | Combination |
| | C) | Sliding |
| | D) | Gliding |
| | E) | Ball-and-socket |
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| 4 | |
Actively contracting muscles get their energy from |
| | A) | fatty acids. |
| | B) | fructose |
| | C) | glucose and glycogen. |
| | D) | triglycerides. |
| | E) | sucrose. |
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| 5 | |
Convergent evolution has |
| | A) | 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. |
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