Oxygen is moved around the body of an echinoderm in its
a)madreporite
b)bony plates
c)water vascular system
d)arms

Anton created a chart listing different types of materials. which best complete the chart?

If the rna molecule in a human has the nucleotide sequence of guu, this would the amino acid valine would be needed to make the protein. how would this cha process was occurring in a mushroom?

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.