According to cell theory
a) all organisms are composed of tissues
b) the smallest unit of life is a nucleus
c) animals but not plants are composed of many cells
d) a multicellular organism is of many cells
e) new cells arose only from preexisting cells

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data. me % babies born at different weights - babies born in that category which statement is a valid claim that could be made using the data in the graph? directional selection is occurring because the graph favors an extreme. mark this and totum save and exit next submit type here to search