Small particles of rna and protein found throughout the cytoplasm in all cells; they produce proteins by following coded instructions from dna
a. vacuoles
b. ribosomes
c. isotonic
d. lysosomes

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

How can an organ, such as the lungs, work for multiple body systems?