How do the Earth's physical factors influence population density? When population growth increases in an area, what is happening
to the birth rate and age structure of that population? (Site 1)
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Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?

2polnis which of the following is an advantage of an in vitro experiment?me

Which organism can most likely be classifild as domain bateria