1.15 A study of a very large number of pregnant women in Arkansas reports that the women gained, on average, 14
pounds during their pregnancy and that 18% of the
women smoked. 20 Which of the following is not a variable
in this study?
(a) Pregnancy status
(b) Smoking status
(c) Weight gain

The negative impacts of nonnative species generally outweigh the positive impacts

Abody cell has been growing and at synthesis proteins.in the nucleus of this body cell,dna replication is taking place. and a copy of the cells genetic material is copied.which of the following is the best conclusion you can make about the life cycle of this cell ? a) the cell is ready to undergo mitosis.and a chemical signal will send the cell to prophase b)the cell is undergoing meiosis and will cross over the genetic material next c)the cell is in the s phase of interphase and will move next to the g2 phase d) the cell is in the g2 phase of the interphase and is ready to begin diving

Kate is studying the transformation from unicellular to multicellular organisms. which metaphor is the most appropriate to apply to the map of the timeline.