Examlex
If reproduction occurs early in the life cycle, ____.
Epithelia
Layers of cells covering internal or external surfaces of the body, serving as protection, secretion, and absorption functions.
Avascular
Referring to tissues that lack blood vessels, and thereby depend on diffusion for nutrient and waste exchange.
Cell Junctions
Specialized structures in cells that connect them to one another, enabling communication and the formation of tissue structures.
Cell Layers
Stacked tiers of cells that form tissues in organisms, each having specific functions and structures.
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