Your question: 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. Which organism is it likely to be?
Your answer: 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 angled. The organism is likely to be a sea cucumber.
Rhenium is the very dangerous (hazard wise) it should be handled carefully and you should understand that THIS should not be taken lightly I hope this helps!:)
