Fossils reveal the body structures of ancient organisms. What other information can be concluded or inferred from studying fossils? Select THREE correct answers. * A. The ecology of ancient environments

B. The colorations and markings of ancient organisms

C. Evolutionary lineages from common ancestors

D. Sequential nature of groups of ancient organisms

1. an enzyme is considered a(n) because it speeds up a chemical reaction without being used up.2. in a catalyzed reaction, a reactant is often called a(n) . an enzyme is specific because the shape of its matches only particular reactants.4. an enzyme speeds up reactions by lowering the . the between an active site and its substrate often strains bonds and the reaction proceed.6. a( , which is often a vitamin, binds to an enzyme and plays a role in catalysis.7. high temperatures or changes in ph can an enzyme, causing it to lose its shape and biological activity.