by gene activation
ESCs divide into two cells: one is a duplicate stem cell (the process of self-renewal) and the other daughter cell is one which will differentiate. The daughter cells divides and after each division it becomes more specialized.
Plants
Producers are autotrophs, or organisms that produce their own food. Plants and algae are examples of producers. They are at the bottom of the food chain because they are eaten by other organisms, and they don't need to eat for energy.
Answer:
The bivalve foot becomes proportionately larger in smaller individuals
Explanation:
The bivalve foot is a muscular appendage that enables the animals to dig in across the sandy surfaces. This structure is adapted to life stile and movement, being reduced in animals like oysters that live permanently attached to the rocks
Answer:
where is the picture,...
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