As plants grow, stems and branches thicken or increase in girth. this thickening is a result of cells in the vascular cambium. vascular cambium can develop into either xylem or phloem tissue within a plant. because of this unique ability, we would expect vascular cambium cells to have all but one of these characteristics.

The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

What is an example of a scientific question that galileo could not have answered with out this new tool?