If in an eight-cell embryo of an organism, the cells of the upper tier are aligned over the cells of the lower tier at a slight angle, it is likely that the organism is a vertebrate.
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Answer:
C.x=4
Explanation:
i think it would be this one because usually functions begin with y
Mitochondria is the power house of the cell (also pay attention in class)
Answer:
65% of oxygen
Explanation:
To name a few: Oxygen-65%, Carbon-18%, Hydrogen-10%