The images show fossils of a modern bird and two extinct organisms (a Tyrannosaurus rex and an Archaeopteryx). Based on the structure of the three organisms, it can be concluded that . The Archaeopteryx and bird have wings, while dinosaurs have limbs. So, it can be concluded that .

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products

if someone had the list of traits you provided

it should be d) transitional fossils.

they show the gradualism of evolution throughout a period of time

this would be called india