Question

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Answer 1

Answer:

complex tissue structure

Answer 2

Answer:

Cellular differentiation is the process of a cell changing from one cell type to another, typically from a less specialized type (stem cell) to a more specialized type (organ/tissue specific cell, eg, colonocyte).

Explanation:

Factors involved in triggering cell differentiation include cell signaling, environmental influences and the level of development of the organism. Basic cell differentiation occurs after a sperm cell fertilizes an egg and the resulting zygote reaches a certain size.

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