In what way are all living organisms on earth similar? a. they are all made from a code based on unsaturated fatty acids. b. they all contain the same number of lipids cells. c. they are all assembled from a nucleic acid code. d. they all share the same nucleic acid sequence.

When water freezes, it . contracts expands

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases