Which statement is NOT a theory about how change occurs in species?

Name the part of the the brain labeled "e".

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

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture