1.Which of the following milestones happened first?A.Multicellular organisms arose.B.Some organisms developed an aerobic form of metabolism.C.The DNA in most cells became enclosed in a nucleus.D.Photosynthesis evolved.2.A population is divided into t
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![1.Which of the following milestones happened first?A.Multicellular organisms arose.B.Some organisms developed an aerobic form of metabolism.C.The DNA in most cells became enclosed in a nucleus.D.Photosynthesis evolved.2.A population is divided into t](/uploads/image/z/4302707-59-7.jpg?t=1.Which+of+the+following+milestones+happened+first%3FA.Multicellular+organisms+arose.B.Some+organisms+developed+an+aerobic+form+of+metabolism.C.The+DNA+in+most+cells+became+enclosed+in+a+nucleus.D.Photosynthesis+evolved.2.A+population+is+divided+into+t)
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