•. Archaeppteryx is called the connecting link between which classes? a) Amphibia and Aves
b) Amphibia and Reptilia
c) Reptilia and Aves
d) Aves and Mammalia • .​

Diagram of the evolution of land plants?

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?

Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false