What choice best explains how nutrients are recycled through an ecosystem? (click on image only three choices)

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

Aboy with an extra x chromosome probably has which of the following syndromes?

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy