<span>Dense connective tissue</span>
Body fluids are drawn into the valved ostia
Answer:
- During development similar species show similar structures. These may include tails or gills. The presence of these structures provides evidence for common ancestry.
Explanation:
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Answer:
Explanation:
Bones are organs composed of hard living tissue providing structural support to the body – it's scaffolding. It is a hard matrix of calcium salts deposited around protein fibers. Minerals make bone rigid and proteins (collagen) provide strength and elasticity. ... The outer layer of bone is called Cortical bone.