Select the correct answer from each drop-down menu. Plants are classified based on the presence of a certain specialized tissue. A specialized tissue calledtissue helps transportand water to all parts of the plant.

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons